64157560

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^2\times {\mathrm{571}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 147387240

約数和(自身を除く): 83229680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 571, 1060, 1142, 2120, 2284, 2809, 2855, 4568, 5618, 5710, 11236, 11420, 14045, 22472, 22840, 28090, 30263, 56180, 60526, 112360, 121052, 151315, 242104, 302630, 605260, 1210520, 1603939, 3207878, 6415756, 8019695, 12831512, 16039390, 32078780, 64157560]

約数ペア:

[(1, 64157560), (2, 32078780), (4, 16039390), (5, 12831512), (8, 8019695), (10, 6415756), (20, 3207878), (40, 1603939), (53, 1210520), (106, 605260), (212, 302630), (265, 242104), (424, 151315), (530, 121052), (571, 112360), (1060, 60526), (1142, 56180), (2120, 30263), (2284, 28090), (2809, 22840), (2855, 22472), (4568, 14045), (5618, 11420), (5710, 11236)]