780139920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1993}}^1$

素因数の和:2249

約数の個数: 160

約数和(自身を含む): 2777179392

約数和(自身を除く): 1997039472

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 233, 240, 280, 336, 420, 466, 560, 699, 840, 932, 1165, 1398, 1631, 1680, 1864, 1993, 2330, 2796, 3262, 3495, 3728, 3986, 4660, 4893, 5592, 5979, 6524, 6990, 7972, 8155, 9320, 9786, 9965, 11184, 11958, 13048, 13951, 13980, 15944, 16310, 18640, 19572, 19930, 23916, 24465, 26096, 27902, 27960, 29895, 31888, 32620, 39144, 39860, 41853, 47832, 48930, 55804, 55920, 59790, 65240, 69755, 78288, 79720, 83706, 95664, 97860, 111608, 119580, 130480, 139510, 159440, 167412, 195720, 209265, 223216, 239160, 279020, 334824, 391440, 418530, 464369, 478320, 558040, 669648, 837060, 928738, 1116080, 1393107, 1674120, 1857476, 2321845, 2786214, 3250583, 3348240, 3714952, 4643690, 5572428, 6501166, 6965535, 7429904, 9287380, 9751749, 11144856, 13002332, 13931070, 16252915, 18574760, 19503498, 22289712, 26004664, 27862140, 32505830, 37149520, 39006996, 48758745, 52009328, 55724280, 65011660, 78013992, 97517490, 111448560, 130023320, 156027984, 195034980, 260046640, 390069960, 780139920]

約数ペア:

[(1, 780139920), (2, 390069960), (3, 260046640), (4, 195034980), (5, 156027984), (6, 130023320), (7, 111448560), (8, 97517490), (10, 78013992), (12, 65011660), (14, 55724280), (15, 52009328), (16, 48758745), (20, 39006996), (21, 37149520), (24, 32505830), (28, 27862140), (30, 26004664), (35, 22289712), (40, 19503498), (42, 18574760), (48, 16252915), (56, 13931070), (60, 13002332), (70, 11144856), (80, 9751749), (84, 9287380), (105, 7429904), (112, 6965535), (120, 6501166), (140, 5572428), (168, 4643690), (210, 3714952), (233, 3348240), (240, 3250583), (280, 2786214), (336, 2321845), (420, 1857476), (466, 1674120), (560, 1393107), (699, 1116080), (840, 928738), (932, 837060), (1165, 669648), (1398, 558040), (1631, 478320), (1680, 464369), (1864, 418530), (1993, 391440), (2330, 334824), (2796, 279020), (3262, 239160), (3495, 223216), (3728, 209265), (3986, 195720), (4660, 167412), (4893, 159440), (5592, 139510), (5979, 130480), (6524, 119580), (6990, 111608), (7972, 97860), (8155, 95664), (9320, 83706), (9786, 79720), (9965, 78288), (11184, 69755), (11958, 65240), (13048, 59790), (13951, 55920), (13980, 55804), (15944, 48930), (16310, 47832), (18640, 41853), (19572, 39860), (19930, 39144), (23916, 32620), (24465, 31888), (26096, 29895), (27902, 27960)]