Q: What is the sum of all factors of the number 15,377,220 excluding 15,377,220?

A: 31,267,560

Why is 31,267,560 the sum of all factors of 15,377,220, excluding 15,377,220?

The factors of the number 15,377,220 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 85429, 170858, 256287, 341716, 427145, 512574, 768861, 854290, 1025148, 1281435, 1537722, 1708580, 2562870, 3075444, 3844305, 5125740, 7688610, 15377220.

If you add them up, you will get the total of 15,377,251. Now subtract 15,377,220 to get 31,267,560