The factors of the number 1,251,720 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 61, 72, 76, 90, 95, 108, 114, 120, 122, 135, 152, 171, 180, 183, 190, 216, 228, 244, 270, 285, 305, 342, 360, 366, 380, 456, 488, 513, 540, 549, 570, 610, 684, 732, 760, 855, 915, 1026, 1080, 1098, 1140, 1159, 1220, 1368, 1464, 1647, 1710, 1830, 2052, 2196, 2280, 2318, 2440, 2565, 2745, 3294, 3420, 3477, 3660, 4104, 4392, 4636, 5130, 5490, 5795, 6588, 6840, 6954, 7320, 8235, 9272, 10260, 10431, 10980, 11590, 13176, 13908, 16470, 17385, 20520, 20862, 21960, 23180, 27816, 31293, 32940, 34770, 41724, 46360, 52155, 62586, 65880, 69540, 83448, 104310, 125172, 139080, 156465, 208620, 250344, 312930, 417240, 625860, 1251720.
If you add them up, you will get the total of 1,251,723. Now subtract 1,251,720 to get 3,212,280