2611980

素因数分解:

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

素因数の和:716

約数の個数: 96

約数和(自身を含む): 9300480

約数和(自身を除く): 6688500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 691, 756, 945, 1260, 1382, 1890, 2073, 2764, 3455, 3780, 4146, 4837, 6219, 6910, 8292, 9674, 10365, 12438, 13820, 14511, 18657, 19348, 20730, 24185, 24876, 29022, 31095, 37314, 41460, 43533, 48370, 58044, 62190, 72555, 74628, 87066, 93285, 96740, 124380, 130599, 145110, 174132, 186570, 217665, 261198, 290220, 373140, 435330, 522396, 652995, 870660, 1305990, 2611980]

約数ペア:

[(1, 2611980), (2, 1305990), (3, 870660), (4, 652995), (5, 522396), (6, 435330), (7, 373140), (9, 290220), (10, 261198), (12, 217665), (14, 186570), (15, 174132), (18, 145110), (20, 130599), (21, 124380), (27, 96740), (28, 93285), (30, 87066), (35, 74628), (36, 72555), (42, 62190), (45, 58044), (54, 48370), (60, 43533), (63, 41460), (70, 37314), (84, 31095), (90, 29022), (105, 24876), (108, 24185), (126, 20730), (135, 19348), (140, 18657), (180, 14511), (189, 13820), (210, 12438), (252, 10365), (270, 9674), (315, 8292), (378, 6910), (420, 6219), (540, 4837), (630, 4146), (691, 3780), (756, 3455), (945, 2764), (1260, 2073), (1382, 1890)]