The factors of the number 123,210,560 are: 1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 29, 32, 34, 40, 44, 55, 58, 64, 68, 71, 80, 85, 88, 110, 116, 136, 142, 145, 160, 170, 176, 187, 220, 232, 272, 284, 290, 319, 320, 340, 352, 355, 374, 440, 464, 493, 544, 568, 580, 638, 680, 704, 710, 748, 781, 880, 928, 935, 986, 1088, 1136, 1160, 1207, 1276, 1360, 1420, 1496, 1562, 1595, 1760, 1856, 1870, 1972, 2059, 2272, 2320, 2414, 2465, 2552, 2720, 2840, 2992, 3124, 3190, 3520, 3740, 3905, 3944, 4118, 4544, 4640, 4828, 4930, 5104, 5423, 5440, 5680, 5984, 6035, 6248, 6380, 7480, 7810, 7888, 8236, 9280, 9656, 9860, 10208, 10295, 10846, 11360, 11968, 12070, 12496, 12760, 13277, 14960, 15620, 15776, 16472, 19312, 19720, 20416, 20590, 21692, 22649, 22720, 24140, 24992, 25520, 26554, 27115, 29920, 31240, 31552, 32944, 35003, 38624, 39440, 41180, 43384, 45298, 48280, 49984, 51040, 53108, 54230, 59840, 62480, 65888, 66385, 70006, 77248, 78880, 82360, 86768, 90596, 96560, 102080, 106216, 108460, 113245, 124960, 131776, 132770, 140012, 157760, 164720, 173536, 175015, 181192, 193120, 212432, 216920, 226490, 249920, 265540, 280024, 329440, 347072, 350030, 362384, 385033, 386240, 424864, 433840, 452980, 531080, 560048, 658880, 700060, 724768, 770066, 849728, 867680, 905960, 1062160, 1120096, 1400120, 1449536, 1540132, 1735360, 1811920, 1925165, 2124320, 2240192, 2800240, 3080264, 3623840, 3850330, 4248640, 5600480, 6160528, 7247680, 7700660, 11200960, 12321056, 15401320, 24642112, 30802640, 61605280, 123210560.
If you add them up, you will get the total of 355,518,720.