66971640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12979}}^1$

素因数の和:13036

約数の個数: 64

約数和(自身を含む): 205603200

約数和(自身を除く): 138631560

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, 12979, 25958, 38937, 51916, 64895, 77874, 103832, 129790, 155748, 194685, 259580, 311496, 389370, 519160, 558097, 778740, 1116194, 1557480, 1674291, 2232388, 2790485, 3348582, 4464776, 5580970, 6697164, 8371455, 11161940, 13394328, 16742910, 22323880, 33485820, 66971640]

約数ペア:

[(1, 66971640), (2, 33485820), (3, 22323880), (4, 16742910), (5, 13394328), (6, 11161940), (8, 8371455), (10, 6697164), (12, 5580970), (15, 4464776), (20, 3348582), (24, 2790485), (30, 2232388), (40, 1674291), (43, 1557480), (60, 1116194), (86, 778740), (120, 558097), (129, 519160), (172, 389370), (215, 311496), (258, 259580), (344, 194685), (430, 155748), (516, 129790), (645, 103832), (860, 77874), (1032, 64895), (1290, 51916), (1720, 38937), (2580, 25958), (5160, 12979)]