72751980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{173219}}^1$

素因数の和:173238

約数の個数: 48

約数和(自身を含む): 232807680

約数和(自身を除く): 160055700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 173219, 346438, 519657, 692876, 866095, 1039314, 1212533, 1732190, 2078628, 2425066, 2598285, 3464380, 3637599, 4850132, 5196570, 6062665, 7275198, 10393140, 12125330, 14550396, 18187995, 24250660, 36375990, 72751980]

約数ペア:

[(1, 72751980), (2, 36375990), (3, 24250660), (4, 18187995), (5, 14550396), (6, 12125330), (7, 10393140), (10, 7275198), (12, 6062665), (14, 5196570), (15, 4850132), (20, 3637599), (21, 3464380), (28, 2598285), (30, 2425066), (35, 2078628), (42, 1732190), (60, 1212533), (70, 1039314), (84, 866095), (105, 692876), (140, 519657), (210, 346438), (420, 173219)]