155189920

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^2\times {\mathrm{577}}^1$

素因数の和:674

約数の個数: 72

約数和(自身を含む): 376447932

約数和(自身を除く): 221258012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 577, 656, 820, 1154, 1312, 1640, 1681, 2308, 2885, 3280, 3362, 4616, 5770, 6560, 6724, 8405, 9232, 11540, 13448, 16810, 18464, 23080, 23657, 26896, 33620, 46160, 47314, 53792, 67240, 92320, 94628, 118285, 134480, 189256, 236570, 268960, 378512, 473140, 757024, 946280, 969937, 1892560, 1939874, 3785120, 3879748, 4849685, 7759496, 9699370, 15518992, 19398740, 31037984, 38797480, 77594960, 155189920]

約数ペア:

[(1, 155189920), (2, 77594960), (4, 38797480), (5, 31037984), (8, 19398740), (10, 15518992), (16, 9699370), (20, 7759496), (32, 4849685), (40, 3879748), (41, 3785120), (80, 1939874), (82, 1892560), (160, 969937), (164, 946280), (205, 757024), (328, 473140), (410, 378512), (577, 268960), (656, 236570), (820, 189256), (1154, 134480), (1312, 118285), (1640, 94628), (1681, 92320), (2308, 67240), (2885, 53792), (3280, 47314), (3362, 46160), (4616, 33620), (5770, 26896), (6560, 23657), (6724, 23080), (8405, 18464), (9232, 16810), (11540, 13448)]