1720257420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{593}}^1\times {\mathrm{6907}}^1$

素因数の和:7519

約数の個数: 96

約数和(自身を含む): 5514905088

約数和(自身を除く): 3794647668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 593, 1186, 1779, 2372, 2965, 3558, 4151, 5930, 6907, 7116, 8302, 8895, 11860, 12453, 13814, 16604, 17790, 20721, 20755, 24906, 27628, 34535, 35580, 41442, 41510, 48349, 49812, 62265, 69070, 82884, 83020, 96698, 103605, 124530, 138140, 145047, 193396, 207210, 241745, 249060, 290094, 414420, 483490, 580188, 725235, 966980, 1450470, 2900940, 4095851, 8191702, 12287553, 16383404, 20479255, 24575106, 28670957, 40958510, 49150212, 57341914, 61437765, 81917020, 86012871, 114683828, 122875530, 143354785, 172025742, 245751060, 286709570, 344051484, 430064355, 573419140, 860128710, 1720257420]

約数ペア:

[(1, 1720257420), (2, 860128710), (3, 573419140), (4, 430064355), (5, 344051484), (6, 286709570), (7, 245751060), (10, 172025742), (12, 143354785), (14, 122875530), (15, 114683828), (20, 86012871), (21, 81917020), (28, 61437765), (30, 57341914), (35, 49150212), (42, 40958510), (60, 28670957), (70, 24575106), (84, 20479255), (105, 16383404), (140, 12287553), (210, 8191702), (420, 4095851), (593, 2900940), (1186, 1450470), (1779, 966980), (2372, 725235), (2965, 580188), (3558, 483490), (4151, 414420), (5930, 290094), (6907, 249060), (7116, 241745), (8302, 207210), (8895, 193396), (11860, 145047), (12453, 138140), (13814, 124530), (16604, 103605), (17790, 96698), (20721, 83020), (20755, 82884), (24906, 69070), (27628, 62265), (34535, 49812), (35580, 48349), (41442, 41510)]