Q: What is the sum of all factors of the number 162,720 excluding 162,720?

A: 397,476

Why is 397,476 the sum of all factors of 162,720, excluding 162,720?

The factors of the number 162,720 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 113, 120, 144, 160, 180, 226, 240, 288, 339, 360, 452, 480, 565, 678, 720, 904, 1017, 1130, 1356, 1440, 1695, 1808, 2034, 2260, 2712, 3390, 3616, 4068, 4520, 5085, 5424, 6780, 8136, 9040, 10170, 10848, 13560, 16272, 18080, 20340, 27120, 32544, 40680, 54240, 81360, 162720.

If you add them up, you will get the total of 163,117. Now subtract 162,720 to get 397,476