30809940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{673}}^1$

素因数の和:801

約数の個数: 96

約数和(自身を含む): 99644160

約数和(自身を除く): 68834220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 109, 140, 210, 218, 327, 420, 436, 545, 654, 673, 763, 1090, 1308, 1346, 1526, 1635, 2019, 2180, 2289, 2692, 3052, 3270, 3365, 3815, 4038, 4578, 4711, 6540, 6730, 7630, 8076, 9156, 9422, 10095, 11445, 13460, 14133, 15260, 18844, 20190, 22890, 23555, 28266, 40380, 45780, 47110, 56532, 70665, 73357, 94220, 141330, 146714, 220071, 282660, 293428, 366785, 440142, 513499, 733570, 880284, 1026998, 1100355, 1467140, 1540497, 2053996, 2200710, 2567495, 3080994, 4401420, 5134990, 6161988, 7702485, 10269980, 15404970, 30809940]

約数ペア:

[(1, 30809940), (2, 15404970), (3, 10269980), (4, 7702485), (5, 6161988), (6, 5134990), (7, 4401420), (10, 3080994), (12, 2567495), (14, 2200710), (15, 2053996), (20, 1540497), (21, 1467140), (28, 1100355), (30, 1026998), (35, 880284), (42, 733570), (60, 513499), (70, 440142), (84, 366785), (105, 293428), (109, 282660), (140, 220071), (210, 146714), (218, 141330), (327, 94220), (420, 73357), (436, 70665), (545, 56532), (654, 47110), (673, 45780), (763, 40380), (1090, 28266), (1308, 23555), (1346, 22890), (1526, 20190), (1635, 18844), (2019, 15260), (2180, 14133), (2289, 13460), (2692, 11445), (3052, 10095), (3270, 9422), (3365, 9156), (3815, 8076), (4038, 7630), (4578, 6730), (4711, 6540)]