Q: What is the sum of all factors of the number 213,240 including 213,240?
A: 640,080
The factors of the number 213,240 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1777, 3554, 5331, 7108, 8885, 10662, 14216, 17770, 21324, 26655, 35540, 42648, 53310, 71080, 106620, 213240.
If you add them up, you will get the total of 640,080.