64391640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12479}}^1$

素因数の和:12536

約数の個数: 64

約数和(自身を含む): 197683200

約数和(自身を除く): 133291560

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, 12479, 24958, 37437, 49916, 62395, 74874, 99832, 124790, 149748, 187185, 249580, 299496, 374370, 499160, 536597, 748740, 1073194, 1497480, 1609791, 2146388, 2682985, 3219582, 4292776, 5365970, 6439164, 8048955, 10731940, 12878328, 16097910, 21463880, 32195820, 64391640]

約数ペア:

[(1, 64391640), (2, 32195820), (3, 21463880), (4, 16097910), (5, 12878328), (6, 10731940), (8, 8048955), (10, 6439164), (12, 5365970), (15, 4292776), (20, 3219582), (24, 2682985), (30, 2146388), (40, 1609791), (43, 1497480), (60, 1073194), (86, 748740), (120, 536597), (129, 499160), (172, 374370), (215, 299496), (258, 249580), (344, 187185), (430, 149748), (516, 124790), (645, 99832), (860, 74874), (1032, 62395), (1290, 49916), (1720, 37437), (2580, 24958), (5160, 12479)]