15174920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 36892800

約数和(自身を除く): 21717880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 487, 760, 779, 820, 974, 1558, 1640, 1948, 2435, 3116, 3895, 3896, 4870, 6232, 7790, 9253, 9740, 15580, 18506, 19480, 19967, 31160, 37012, 39934, 46265, 74024, 79868, 92530, 99835, 159736, 185060, 199670, 370120, 379373, 399340, 758746, 798680, 1517492, 1896865, 3034984, 3793730, 7587460, 15174920]

約数ペア:

[(1, 15174920), (2, 7587460), (4, 3793730), (5, 3034984), (8, 1896865), (10, 1517492), (19, 798680), (20, 758746), (38, 399340), (40, 379373), (41, 370120), (76, 199670), (82, 185060), (95, 159736), (152, 99835), (164, 92530), (190, 79868), (205, 74024), (328, 46265), (380, 39934), (410, 37012), (487, 31160), (760, 19967), (779, 19480), (820, 18506), (974, 15580), (1558, 9740), (1640, 9253), (1948, 7790), (2435, 6232), (3116, 4870), (3895, 3896)]