17985180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6971}}^1$

素因数の和:7026

約数の個数: 48

約数和(自身を含む): 51537024

約数和(自身を除く): 33551844

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, 6971, 13942, 20913, 27884, 34855, 41826, 69710, 83652, 104565, 139420, 209130, 299753, 418260, 599506, 899259, 1199012, 1498765, 1798518, 2997530, 3597036, 4496295, 5995060, 8992590, 17985180]

約数ペア:

[(1, 17985180), (2, 8992590), (3, 5995060), (4, 4496295), (5, 3597036), (6, 2997530), (10, 1798518), (12, 1498765), (15, 1199012), (20, 899259), (30, 599506), (43, 418260), (60, 299753), (86, 209130), (129, 139420), (172, 104565), (215, 83652), (258, 69710), (430, 41826), (516, 34855), (645, 27884), (860, 20913), (1290, 13942), (2580, 6971)]