Q: What is the sum of all factors of the number 387,720 including 387,720?
A: 1,296,000
The factors of the number 387,720 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 359, 360, 540, 718, 1077, 1080, 1436, 1795, 2154, 2872, 3231, 3590, 4308, 5385, 6462, 7180, 8616, 9693, 10770, 12924, 14360, 16155, 19386, 21540, 25848, 32310, 38772, 43080, 48465, 64620, 77544, 96930, 129240, 193860, 387720.
If you add them up, you will get the total of 1,296,000.