13581680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 36664320

約数和(自身を除く): 23082640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 307, 316, 395, 553, 560, 614, 632, 790, 1106, 1228, 1264, 1535, 1580, 2149, 2212, 2456, 2765, 3070, 3160, 4298, 4424, 4912, 5530, 6140, 6320, 8596, 8848, 10745, 11060, 12280, 17192, 21490, 22120, 24253, 24560, 34384, 42980, 44240, 48506, 85960, 97012, 121265, 169771, 171920, 194024, 242530, 339542, 388048, 485060, 679084, 848855, 970120, 1358168, 1697710, 1940240, 2716336, 3395420, 6790840, 13581680]

約数ペア:

[(1, 13581680), (2, 6790840), (4, 3395420), (5, 2716336), (7, 1940240), (8, 1697710), (10, 1358168), (14, 970120), (16, 848855), (20, 679084), (28, 485060), (35, 388048), (40, 339542), (56, 242530), (70, 194024), (79, 171920), (80, 169771), (112, 121265), (140, 97012), (158, 85960), (280, 48506), (307, 44240), (316, 42980), (395, 34384), (553, 24560), (560, 24253), (614, 22120), (632, 21490), (790, 17192), (1106, 12280), (1228, 11060), (1264, 10745), (1535, 8848), (1580, 8596), (2149, 6320), (2212, 6140), (2456, 5530), (2765, 4912), (3070, 4424), (3160, 4298)]