91320880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{521}}^1$

素因数の和:854

約数の個数: 80

約数和(自身を含む): 243895104

約数和(自身を除く): 152574224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 313, 521, 560, 626, 1042, 1252, 1565, 2084, 2191, 2504, 2605, 3130, 3647, 4168, 4382, 5008, 5210, 6260, 7294, 8336, 8764, 10420, 10955, 12520, 14588, 17528, 18235, 20840, 21910, 25040, 29176, 35056, 36470, 41680, 43820, 58352, 72940, 87640, 145880, 163073, 175280, 291760, 326146, 652292, 815365, 1141511, 1304584, 1630730, 2283022, 2609168, 3261460, 4566044, 5707555, 6522920, 9132088, 11415110, 13045840, 18264176, 22830220, 45660440, 91320880]

約数ペア:

[(1, 91320880), (2, 45660440), (4, 22830220), (5, 18264176), (7, 13045840), (8, 11415110), (10, 9132088), (14, 6522920), (16, 5707555), (20, 4566044), (28, 3261460), (35, 2609168), (40, 2283022), (56, 1630730), (70, 1304584), (80, 1141511), (112, 815365), (140, 652292), (280, 326146), (313, 291760), (521, 175280), (560, 163073), (626, 145880), (1042, 87640), (1252, 72940), (1565, 58352), (2084, 43820), (2191, 41680), (2504, 36470), (2605, 35056), (3130, 29176), (3647, 25040), (4168, 21910), (4382, 20840), (5008, 18235), (5210, 17528), (6260, 14588), (7294, 12520), (8336, 10955), (8764, 10420)]