1812810720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2557}}^1$

素因数の和:2793

約数の個数: 192

約数和(自身を含む): 6559612416

約数和(自身を除く): 4746801696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 211, 224, 240, 280, 336, 420, 422, 480, 560, 633, 672, 840, 844, 1055, 1120, 1266, 1477, 1680, 1688, 2110, 2532, 2557, 2954, 3165, 3360, 3376, 4220, 4431, 5064, 5114, 5908, 6330, 6752, 7385, 7671, 8440, 8862, 10128, 10228, 11816, 12660, 12785, 14770, 15342, 16880, 17724, 17899, 20256, 20456, 22155, 23632, 25320, 25570, 29540, 30684, 33760, 35448, 35798, 38355, 40912, 44310, 47264, 50640, 51140, 53697, 59080, 61368, 70896, 71596, 76710, 81824, 88620, 89495, 101280, 102280, 107394, 118160, 122736, 141792, 143192, 153420, 177240, 178990, 204560, 214788, 236320, 245472, 268485, 286384, 306840, 354480, 357980, 409120, 429576, 536970, 539527, 572768, 613680, 708960, 715960, 859152, 1073940, 1079054, 1227360, 1431920, 1618581, 1718304, 2147880, 2158108, 2697635, 2863840, 3237162, 3776689, 4295760, 4316216, 5395270, 6474324, 7553378, 8092905, 8591520, 8632432, 10790540, 11330067, 12948648, 15106756, 16185810, 17264864, 18883445, 21581080, 22660134, 25897296, 30213512, 32371620, 37766890, 43162160, 45320268, 51794592, 56650335, 60427024, 64743240, 75533780, 86324320, 90640536, 113300670, 120854048, 129486480, 151067560, 181281072, 226601340, 258972960, 302135120, 362562144, 453202680, 604270240, 906405360, 1812810720]

約数ペア:

[(1, 1812810720), (2, 906405360), (3, 604270240), (4, 453202680), (5, 362562144), (6, 302135120), (7, 258972960), (8, 226601340), (10, 181281072), (12, 151067560), (14, 129486480), (15, 120854048), (16, 113300670), (20, 90640536), (21, 86324320), (24, 75533780), (28, 64743240), (30, 60427024), (32, 56650335), (35, 51794592), (40, 45320268), (42, 43162160), (48, 37766890), (56, 32371620), (60, 30213512), (70, 25897296), (80, 22660134), (84, 21581080), (96, 18883445), (105, 17264864), (112, 16185810), (120, 15106756), (140, 12948648), (160, 11330067), (168, 10790540), (210, 8632432), (211, 8591520), (224, 8092905), (240, 7553378), (280, 6474324), (336, 5395270), (420, 4316216), (422, 4295760), (480, 3776689), (560, 3237162), (633, 2863840), (672, 2697635), (840, 2158108), (844, 2147880), (1055, 1718304), (1120, 1618581), (1266, 1431920), (1477, 1227360), (1680, 1079054), (1688, 1073940), (2110, 859152), (2532, 715960), (2557, 708960), (2954, 613680), (3165, 572768), (3360, 539527), (3376, 536970), (4220, 429576), (4431, 409120), (5064, 357980), (5114, 354480), (5908, 306840), (6330, 286384), (6752, 268485), (7385, 245472), (7671, 236320), (8440, 214788), (8862, 204560), (10128, 178990), (10228, 177240), (11816, 153420), (12660, 143192), (12785, 141792), (14770, 122736), (15342, 118160), (16880, 107394), (17724, 102280), (17899, 101280), (20256, 89495), (20456, 88620), (22155, 81824), (23632, 76710), (25320, 71596), (25570, 70896), (29540, 61368), (30684, 59080), (33760, 53697), (35448, 51140), (35798, 50640), (38355, 47264), (40912, 44310)]