Q: What is the sum of all factors of the number 1,278,780 including 1,278,780?
A: 3,580,752
The factors of the number 1,278,780 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21313, 42626, 63939, 85252, 106565, 127878, 213130, 255756, 319695, 426260, 639390, 1278780.
If you add them up, you will get the total of 3,580,752.