Q: What is the sum of all factors of the number 1,205,640 including 1,205,640?
A: 4,169,880
The factors of the number 1,205,640 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 197, 204, 255, 306, 340, 360, 394, 408, 510, 591, 612, 680, 765, 788, 985, 1020, 1182, 1224, 1530, 1576, 1773, 1970, 2040, 2364, 2955, 3060, 3349, 3546, 3940, 4728, 5910, 6120, 6698, 7092, 7880, 8865, 10047, 11820, 13396, 14184, 16745, 17730, 20094, 23640, 26792, 30141, 33490, 35460, 40188, 50235, 60282, 66980, 70920, 80376, 100470, 120564, 133960, 150705, 200940, 241128, 301410, 401880, 602820, 1205640.
If you add them up, you will get the total of 4,169,880.