63720860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{455149}}^1$

素因数の和:455165

約数の個数: 24

約数和(自身を含む): 152930400

約数和(自身を除く): 89209540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 455149, 910298, 1820596, 2275745, 3186043, 4551490, 6372086, 9102980, 12744172, 15930215, 31860430, 63720860]

約数ペア:

[(1, 63720860), (2, 31860430), (4, 15930215), (5, 12744172), (7, 9102980), (10, 6372086), (14, 4551490), (20, 3186043), (28, 2275745), (35, 1820596), (70, 910298), (140, 455149)]