Q: What is the sum of all factors of the number 1,226,520 including 1,226,520?

A: 3,987,360

Why is 3,987,360 the sum of all factors of 1,226,520, including 1,226,520?

The factors of the number 1,226,520 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 3407, 6814, 10221, 13628, 17035, 20442, 27256, 30663, 34070, 40884, 51105, 61326, 68140, 81768, 102210, 122652, 136280, 153315, 204420, 245304, 306630, 408840, 613260, 1226520.

If you add them up, you will get the total of 3,987,360.