Q: What is the sum of all factors of the number 1,156,720 excluding 1,156,720?

A: 1,677,920

Why is 1,677,920 the sum of all factors of 1,156,720, excluding 1,156,720?

The factors of the number 1,156,720 are: 1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 761, 1520, 1522, 3044, 3805, 6088, 7610, 12176, 14459, 15220, 28918, 30440, 57836, 60880, 72295, 115672, 144590, 231344, 289180, 578360, 1156720.

If you add them up, you will get the total of 1,156,721. Now subtract 1,156,720 to get 1,677,920