66913680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{278807}}^1$

素因数の和:278823

約数の個数: 40

約数和(自身を含む): 207433152

約数和(自身を除く): 140519472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 278807, 557614, 836421, 1115228, 1394035, 1672842, 2230456, 2788070, 3345684, 4182105, 4460912, 5576140, 6691368, 8364210, 11152280, 13382736, 16728420, 22304560, 33456840, 66913680]

約数ペア:

[(1, 66913680), (2, 33456840), (3, 22304560), (4, 16728420), (5, 13382736), (6, 11152280), (8, 8364210), (10, 6691368), (12, 5576140), (15, 4460912), (16, 4182105), (20, 3345684), (24, 2788070), (30, 2230456), (40, 1672842), (48, 1394035), (60, 1115228), (80, 836421), (120, 557614), (240, 278807)]