808781680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{12781}}^1$

素因数の和:12914

約数の個数: 80

約数和(自身を含む): 2168236224

約数和(自身を除く): 1359454544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 113, 140, 226, 280, 452, 560, 565, 791, 904, 1130, 1582, 1808, 2260, 3164, 3955, 4520, 6328, 7910, 9040, 12656, 12781, 15820, 25562, 31640, 51124, 63280, 63905, 89467, 102248, 127810, 178934, 204496, 255620, 357868, 447335, 511240, 715736, 894670, 1022480, 1431472, 1444253, 1789340, 2888506, 3578680, 5777012, 7157360, 7221265, 10109771, 11554024, 14442530, 20219542, 23108048, 28885060, 40439084, 50548855, 57770120, 80878168, 101097710, 115540240, 161756336, 202195420, 404390840, 808781680]

約数ペア:

[(1, 808781680), (2, 404390840), (4, 202195420), (5, 161756336), (7, 115540240), (8, 101097710), (10, 80878168), (14, 57770120), (16, 50548855), (20, 40439084), (28, 28885060), (35, 23108048), (40, 20219542), (56, 14442530), (70, 11554024), (80, 10109771), (112, 7221265), (113, 7157360), (140, 5777012), (226, 3578680), (280, 2888506), (452, 1789340), (560, 1444253), (565, 1431472), (791, 1022480), (904, 894670), (1130, 715736), (1582, 511240), (1808, 447335), (2260, 357868), (3164, 255620), (3955, 204496), (4520, 178934), (6328, 127810), (7910, 102248), (9040, 89467), (12656, 63905), (12781, 63280), (15820, 51124), (25562, 31640)]