The factors of the number 530,216,640 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 192, 213, 240, 284, 288, 320, 355, 360, 426, 480, 568, 576, 639, 710, 720, 852, 960, 1065, 1136, 1278, 1420, 1440, 1704, 2130, 2272, 2556, 2593, 2840, 2880, 3195, 3408, 4260, 4544, 5112, 5186, 5680, 6390, 6816, 7779, 8520, 10224, 10372, 11360, 12780, 12965, 13632, 15558, 17040, 20448, 20744, 22720, 23337, 25560, 25930, 31116, 34080, 38895, 40896, 41488, 46674, 51120, 51860, 62232, 68160, 77790, 82976, 93348, 102240, 103720, 116685, 124464, 155580, 165952, 184103, 186696, 204480, 207440, 233370, 248928, 311160, 368206, 373392, 414880, 466740, 497856, 552309, 622320, 736412, 746784, 829760, 920515, 933480, 1104618, 1244640, 1472824, 1493568, 1656927, 1841030, 1866960, 2209236, 2489280, 2761545, 2945648, 3313854, 3682060, 3733920, 4418472, 5523090, 5891296, 6627708, 7364120, 7467840, 8284635, 8836944, 11046180, 11782592, 13255416, 14728240, 16569270, 17673888, 22092360, 26510832, 29456480, 33138540, 35347776, 44184720, 53021664, 58912960, 66277080, 88369440, 106043328, 132554160, 176738880, 265108320, 530216640.
If you add them up, you will get the total of 1,850,123,808.