Q: What is the sum of all factors of the number 1,541,520 excluding 1,541,520?

A: 3,637,836

Why is 3,637,836 the sum of all factors of 1,541,520, excluding 1,541,520?

The factors of the number 1,541,520 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 2141, 4282, 6423, 8564, 10705, 12846, 17128, 19269, 21410, 25692, 32115, 34256, 38538, 42820, 51384, 64230, 77076, 85640, 96345, 102768, 128460, 154152, 171280, 192690, 256920, 308304, 385380, 513840, 770760, 1541520.

If you add them up, you will get the total of 1,541,523. Now subtract 1,541,520 to get 3,637,836