Q: What is the sum of all factors of the number 1,287,760 including 1,287,760?
A: 2,994,228
The factors of the number 1,287,760 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16097, 32194, 64388, 80485, 128776, 160970, 257552, 321940, 643880, 1287760.
If you add them up, you will get the total of 2,994,228.