Divisor Sum of 30,240

Example of Divisor Sum of Integer

 * $\map {\sigma_1} {30 \, 240} = 120 \, 960$

where $\sigma_1$ denotes the divisor sum function.

Proof
We have that:
 * $30 \, 240 = 2^5 \times 3^3 \times 5 \times 7$

Hence: