66558840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12899}}^1$

素因数の和:12956

約数の個数: 64

約数和(自身を含む): 204336000

約数和(自身を除く): 137777160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 12899, 25798, 38697, 51596, 64495, 77394, 103192, 128990, 154788, 193485, 257980, 309576, 386970, 515960, 554657, 773940, 1109314, 1547880, 1663971, 2218628, 2773285, 3327942, 4437256, 5546570, 6655884, 8319855, 11093140, 13311768, 16639710, 22186280, 33279420, 66558840]

約数ペア:

[(1, 66558840), (2, 33279420), (3, 22186280), (4, 16639710), (5, 13311768), (6, 11093140), (8, 8319855), (10, 6655884), (12, 5546570), (15, 4437256), (20, 3327942), (24, 2773285), (30, 2218628), (40, 1663971), (43, 1547880), (60, 1109314), (86, 773940), (120, 554657), (129, 515960), (172, 386970), (215, 309576), (258, 257980), (344, 193485), (430, 154788), (516, 128990), (645, 103192), (860, 77394), (1032, 64495), (1290, 51596), (1720, 38697), (2580, 25798), (5160, 12899)]