Question 1209726
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Answer:  <font color=red>2016^18</font> which is <font color=red>choice C</font>


Explanation 


2016 = 2^5*3^2*7
d(n) = number of divisors of n
a,b,c = positive integers
p,q,r = primes
d(p^a*q^b*r^c) = (a+1)*(b+1)*(c+1) ....  see formula (3) of <a href="https://mathworld.wolfram.com/DivisorFunction.html">this page</a> and see <a href="https://www.algebra.com/algebra/homework/divisibility/Divisibility_and_Prime_Numbers.faq.question.1207622.html">this page</a> 
d(2^5*3^2*7^1) = (5+1)*(2+1)*(1+1)
d(2016) = 36


The value 2016 has 36 divisors.
Verification using <a href="https://www.wolframalpha.com/input?i=number+of+divisors+of+2016">WolframAlpha</a>
There are many other online calculators that will perform a similar function.


The divisors pair up to multiply to 2016
Eg: 2*1008 = 2016 and 8*252 = 2016


Those 36 divisors form 36/2 = 18 copies of 2016 multiplied together when multiplying all the positive divisors.
Therefore we arrive at the answer <font color=red>2016^18</font> 
This massive number is approximately 3.0257 * 10^59
It is roughly 30257 followed by 55 copies of 0.
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