Q: What is the sum of all factors of the number 1,309,280 including 1,309,280?

A: 3,619,728

Why is 3,619,728 the sum of all factors of 1,309,280, including 1,309,280?

The factors of the number 1,309,280 are: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 167, 196, 224, 245, 280, 334, 392, 490, 560, 668, 784, 835, 980, 1120, 1169, 1336, 1568, 1670, 1960, 2338, 2672, 3340, 3920, 4676, 5344, 5845, 6680, 7840, 8183, 9352, 11690, 13360, 16366, 18704, 23380, 26720, 32732, 37408, 40915, 46760, 65464, 81830, 93520, 130928, 163660, 187040, 261856, 327320, 654640, 1309280.

If you add them up, you will get the total of 3,619,728.