66910760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{238967}}^1$

素因数の和:238985

約数の個数: 32

約数和(自身を含む): 172056960

約数和(自身を除く): 105146200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 238967, 477934, 955868, 1194835, 1672769, 1911736, 2389670, 3345538, 4779340, 6691076, 8363845, 9558680, 13382152, 16727690, 33455380, 66910760]

約数ペア:

[(1, 66910760), (2, 33455380), (4, 16727690), (5, 13382152), (7, 9558680), (8, 8363845), (10, 6691076), (14, 4779340), (20, 3345538), (28, 2389670), (35, 1911736), (40, 1672769), (56, 1194835), (70, 955868), (140, 477934), (280, 238967)]