64814960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{115741}}^1$

素因数の和:115761

約数の個数: 40

約数和(自身を含む): 172224096

約数和(自身を除く): 107409136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 115741, 231482, 462964, 578705, 810187, 925928, 1157410, 1620374, 1851856, 2314820, 3240748, 4050935, 4629640, 6481496, 8101870, 9259280, 12962992, 16203740, 32407480, 64814960]

約数ペア:

[(1, 64814960), (2, 32407480), (4, 16203740), (5, 12962992), (7, 9259280), (8, 8101870), (10, 6481496), (14, 4629640), (16, 4050935), (20, 3240748), (28, 2314820), (35, 1851856), (40, 1620374), (56, 1157410), (70, 925928), (80, 810187), (112, 578705), (140, 462964), (280, 231482), (560, 115741)]