The factors of the number 536,611,320 are: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 73, 84, 90, 105, 120, 126, 140, 146, 168, 180, 210, 219, 252, 280, 292, 315, 360, 365, 420, 438, 504, 511, 584, 630, 657, 730, 840, 876, 1022, 1095, 1260, 1314, 1460, 1533, 1752, 2044, 2190, 2520, 2555, 2628, 2917, 2920, 3066, 3285, 4088, 4380, 4599, 5110, 5256, 5834, 6132, 6570, 7665, 8751, 8760, 9198, 10220, 11668, 12264, 13140, 14585, 15330, 17502, 18396, 20419, 20440, 22995, 23336, 26253, 26280, 29170, 30660, 35004, 36792, 40838, 43755, 45990, 52506, 58340, 61257, 61320, 70008, 81676, 87510, 91980, 102095, 105012, 116680, 122514, 131265, 163352, 175020, 183771, 183960, 204190, 210024, 212941, 245028, 262530, 306285, 350040, 367542, 408380, 425882, 490056, 525060, 612570, 638823, 735084, 816760, 851764, 918855, 1050120, 1064705, 1225140, 1277646, 1470168, 1490587, 1703528, 1837710, 1916469, 2129410, 2450280, 2555292, 2981174, 3194115, 3675420, 3832938, 4258820, 4471761, 5110584, 5962348, 6388230, 7350840, 7452935, 7665876, 8517640, 8943522, 9582345, 11924696, 12776460, 13415283, 14905870, 15331752, 17887044, 19164690, 22358805, 25552920, 26830566, 29811740, 35774088, 38329380, 44717610, 53661132, 59623480, 67076415, 76658760, 89435220, 107322264, 134152830, 178870440, 268305660, 536611320.
If you add them up, you will get the total of 2,021,123,520.