64652560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{16493}}^1$

素因数の和:16520

約数の個数: 60

約数和(自身を含む): 174869388

約数和(自身を除く): 110216828

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 16493, 32986, 65972, 82465, 115451, 131944, 164930, 230902, 263888, 329860, 461804, 577255, 659720, 808157, 923608, 1154510, 1319440, 1616314, 1847216, 2309020, 3232628, 4040785, 4618040, 6465256, 8081570, 9236080, 12930512, 16163140, 32326280, 64652560]

約数ペア:

[(1, 64652560), (2, 32326280), (4, 16163140), (5, 12930512), (7, 9236080), (8, 8081570), (10, 6465256), (14, 4618040), (16, 4040785), (20, 3232628), (28, 2309020), (35, 1847216), (40, 1616314), (49, 1319440), (56, 1154510), (70, 923608), (80, 808157), (98, 659720), (112, 577255), (140, 461804), (196, 329860), (245, 263888), (280, 230902), (392, 164930), (490, 131944), (560, 115451), (784, 82465), (980, 65972), (1960, 32986), (3920, 16493)]