61958680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{221281}}^1$

素因数の和:221299

約数の個数: 32

約数和(自身を含む): 159323040

約数和(自身を除く): 97364360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 221281, 442562, 885124, 1106405, 1548967, 1770248, 2212810, 3097934, 4425620, 6195868, 7744835, 8851240, 12391736, 15489670, 30979340, 61958680]

約数ペア:

[(1, 61958680), (2, 30979340), (4, 15489670), (5, 12391736), (7, 8851240), (8, 7744835), (10, 6195868), (14, 4425620), (20, 3097934), (28, 2212810), (35, 1770248), (40, 1548967), (56, 1106405), (70, 885124), (140, 442562), (280, 221281)]