Q: What is the sum of all factors of the number 120,780 including 120,780?

A: 406,224

Why is 406,224 the sum of all factors of 120,780, including 120,780?

The factors of the number 120,780 are: 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 61, 66, 90, 99, 110, 122, 132, 165, 180, 183, 198, 220, 244, 305, 330, 366, 396, 495, 549, 610, 660, 671, 732, 915, 990, 1098, 1220, 1342, 1830, 1980, 2013, 2196, 2684, 2745, 3355, 3660, 4026, 5490, 6039, 6710, 8052, 10065, 10980, 12078, 13420, 20130, 24156, 30195, 40260, 60390, 120780.

If you add them up, you will get the total of 406,224.