81171870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7177}}^1$

素因数の和:7229

約数の個数: 64

約数和(自身を含む): 217062720

約数和(自身を除く): 135890850

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 65, 78, 87, 130, 145, 174, 195, 290, 377, 390, 435, 754, 870, 1131, 1885, 2262, 3770, 5655, 7177, 11310, 14354, 21531, 35885, 43062, 71770, 93301, 107655, 186602, 208133, 215310, 279903, 416266, 466505, 559806, 624399, 933010, 1040665, 1248798, 1399515, 2081330, 2705729, 2799030, 3121995, 5411458, 6243990, 8117187, 13528645, 16234374, 27057290, 40585935, 81171870]

約数ペア:

[(1, 81171870), (2, 40585935), (3, 27057290), (5, 16234374), (6, 13528645), (10, 8117187), (13, 6243990), (15, 5411458), (26, 3121995), (29, 2799030), (30, 2705729), (39, 2081330), (58, 1399515), (65, 1248798), (78, 1040665), (87, 933010), (130, 624399), (145, 559806), (174, 466505), (195, 416266), (290, 279903), (377, 215310), (390, 208133), (435, 186602), (754, 107655), (870, 93301), (1131, 71770), (1885, 43062), (2262, 35885), (3770, 21531), (5655, 14354), (7177, 11310)]