128315640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22751}}^1$

素因数の和:22812

約数の個数: 64

約数和(自身を含む): 393154560

約数和(自身を除く): 264838920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 5640, 22751, 45502, 68253, 91004, 113755, 136506, 182008, 227510, 273012, 341265, 455020, 546024, 682530, 910040, 1069297, 1365060, 2138594, 2730120, 3207891, 4277188, 5346485, 6415782, 8554376, 10692970, 12831564, 16039455, 21385940, 25663128, 32078910, 42771880, 64157820, 128315640]

約数ペア:

[(1, 128315640), (2, 64157820), (3, 42771880), (4, 32078910), (5, 25663128), (6, 21385940), (8, 16039455), (10, 12831564), (12, 10692970), (15, 8554376), (20, 6415782), (24, 5346485), (30, 4277188), (40, 3207891), (47, 2730120), (60, 2138594), (94, 1365060), (120, 1069297), (141, 910040), (188, 682530), (235, 546024), (282, 455020), (376, 341265), (470, 273012), (564, 227510), (705, 182008), (940, 136506), (1128, 113755), (1410, 91004), (1880, 68253), (2820, 45502), (5640, 22751)]