64317680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2671}}^1$

素因数の和:2734

約数の個数: 80

約数和(自身を含む): 174941184

約数和(自身を除く): 110623504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1720, 2408, 2671, 3010, 3440, 4816, 5342, 6020, 10684, 12040, 13355, 18697, 21368, 24080, 26710, 37394, 42736, 53420, 74788, 93485, 106840, 114853, 149576, 186970, 213680, 229706, 299152, 373940, 459412, 574265, 747880, 803971, 918824, 1148530, 1495760, 1607942, 1837648, 2297060, 3215884, 4019855, 4594120, 6431768, 8039710, 9188240, 12863536, 16079420, 32158840, 64317680]

約数ペア:

[(1, 64317680), (2, 32158840), (4, 16079420), (5, 12863536), (7, 9188240), (8, 8039710), (10, 6431768), (14, 4594120), (16, 4019855), (20, 3215884), (28, 2297060), (35, 1837648), (40, 1607942), (43, 1495760), (56, 1148530), (70, 918824), (80, 803971), (86, 747880), (112, 574265), (140, 459412), (172, 373940), (215, 299152), (280, 229706), (301, 213680), (344, 186970), (430, 149576), (560, 114853), (602, 106840), (688, 93485), (860, 74788), (1204, 53420), (1505, 42736), (1720, 37394), (2408, 26710), (2671, 24080), (3010, 21368), (3440, 18697), (4816, 13355), (5342, 12040), (6020, 10684)]