81675060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31657}}^1$

素因数の和:31712

約数の個数: 48

約数和(自身を含む): 234015936

約数和(自身を除く): 152340876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 31657, 63314, 94971, 126628, 158285, 189942, 316570, 379884, 474855, 633140, 949710, 1361251, 1899420, 2722502, 4083753, 5445004, 6806255, 8167506, 13612510, 16335012, 20418765, 27225020, 40837530, 81675060]

約数ペア:

[(1, 81675060), (2, 40837530), (3, 27225020), (4, 20418765), (5, 16335012), (6, 13612510), (10, 8167506), (12, 6806255), (15, 5445004), (20, 4083753), (30, 2722502), (43, 1899420), (60, 1361251), (86, 949710), (129, 633140), (172, 474855), (215, 379884), (258, 316570), (430, 189942), (516, 158285), (645, 126628), (860, 94971), (1290, 63314), (2580, 31657)]