64814680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{231481}}^1$

素因数の和:231499

約数の個数: 32

約数和(自身を含む): 166667040

約数和(自身を除く): 101852360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 231481, 462962, 925924, 1157405, 1620367, 1851848, 2314810, 3240734, 4629620, 6481468, 8101835, 9259240, 12962936, 16203670, 32407340, 64814680]

約数ペア:

[(1, 64814680), (2, 32407340), (4, 16203670), (5, 12962936), (7, 9259240), (8, 8101835), (10, 6481468), (14, 4629620), (20, 3240734), (28, 2314810), (35, 1851848), (40, 1620367), (56, 1157405), (70, 925924), (140, 462962), (280, 231481)]