870660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{691}}^1$

素因数の和:713

約数の個数: 72

約数和(自身を含む): 3022656

約数和(自身を除く): 2151996

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 691, 1260, 1382, 2073, 2764, 3455, 4146, 4837, 6219, 6910, 8292, 9674, 10365, 12438, 13820, 14511, 19348, 20730, 24185, 24876, 29022, 31095, 41460, 43533, 48370, 58044, 62190, 72555, 87066, 96740, 124380, 145110, 174132, 217665, 290220, 435330, 870660]

約数ペア:

[(1, 870660), (2, 435330), (3, 290220), (4, 217665), (5, 174132), (6, 145110), (7, 124380), (9, 96740), (10, 87066), (12, 72555), (14, 62190), (15, 58044), (18, 48370), (20, 43533), (21, 41460), (28, 31095), (30, 29022), (35, 24876), (36, 24185), (42, 20730), (45, 19348), (60, 14511), (63, 13820), (70, 12438), (84, 10365), (90, 9674), (105, 8292), (126, 6910), (140, 6219), (180, 4837), (210, 4146), (252, 3455), (315, 2764), (420, 2073), (630, 1382), (691, 1260)]