64668560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1709}}^1$

素因数の和:1776

約数の個数: 80

約数和(自身を含む): 167935680

約数和(自身を除く): 103267120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1709, 1720, 1892, 2365, 3418, 3440, 3784, 4730, 6836, 7568, 8545, 9460, 13672, 17090, 18799, 18920, 27344, 34180, 37598, 37840, 68360, 73487, 75196, 93995, 136720, 146974, 150392, 187990, 293948, 300784, 367435, 375980, 587896, 734870, 751960, 808357, 1175792, 1469740, 1503920, 1616714, 2939480, 3233428, 4041785, 5878960, 6466856, 8083570, 12933712, 16167140, 32334280, 64668560]

約数ペア:

[(1, 64668560), (2, 32334280), (4, 16167140), (5, 12933712), (8, 8083570), (10, 6466856), (11, 5878960), (16, 4041785), (20, 3233428), (22, 2939480), (40, 1616714), (43, 1503920), (44, 1469740), (55, 1175792), (80, 808357), (86, 751960), (88, 734870), (110, 587896), (172, 375980), (176, 367435), (215, 300784), (220, 293948), (344, 187990), (430, 150392), (440, 146974), (473, 136720), (688, 93995), (860, 75196), (880, 73487), (946, 68360), (1709, 37840), (1720, 37598), (1892, 34180), (2365, 27344), (3418, 18920), (3440, 18799), (3784, 17090), (4730, 13672), (6836, 9460), (7568, 8545)]