The factors of the number 1,510,320 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 31, 35, 40, 42, 48, 56, 58, 60, 62, 70, 80, 84, 87, 93, 105, 112, 116, 120, 124, 140, 145, 155, 168, 174, 186, 203, 210, 217, 232, 240, 248, 280, 290, 310, 336, 348, 372, 406, 420, 434, 435, 464, 465, 496, 560, 580, 609, 620, 651, 696, 744, 812, 840, 868, 870, 899, 930, 1015, 1085, 1160, 1218, 1240, 1302, 1392, 1488, 1624, 1680, 1736, 1740, 1798, 1860, 2030, 2170, 2320, 2436, 2480, 2604, 2697, 3045, 3248, 3255, 3472, 3480, 3596, 3720, 4060, 4340, 4495, 4872, 5208, 5394, 6090, 6293, 6510, 6960, 7192, 7440, 8120, 8680, 8990, 9744, 10416, 10788, 12180, 12586, 13020, 13485, 14384, 16240, 17360, 17980, 18879, 21576, 24360, 25172, 26040, 26970, 31465, 35960, 37758, 43152, 48720, 50344, 52080, 53940, 62930, 71920, 75516, 94395, 100688, 107880, 125860, 151032, 188790, 215760, 251720, 302064, 377580, 503440, 755160, 1510320.
If you add them up, you will get the total of 1,510,324. Now subtract 1,510,320 to get 4,203,600