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Question

Mathematics Question on Exponential and Logarithmic Functions

The sum of the divisors of 2433532^4\cdot 3^3 \cdot 5^3 is

A

31×40×15631 \times 40 \times 156

B

30×40×15030 \times 40 \times 150

C

31×40×15031 \times 40 \times 150

D

none of these

Answer

31×40×15631 \times 40 \times 156

Explanation

Solution

Reqd. sum =25121.3413154151=\frac{2^{5}-1}{2-1}. \frac{3^{4}-1}{3-1}\cdot\frac{5^{4}-1}{5-1} =(31)(40)(156)=\left(31\right)\left(40\right)\left(156\right)