142857180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{18457}}^1$

素因数の和:18515

約数の個数: 72

約数和(自身を含む): 443434992

約数和(自身を除く): 300577812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 18457, 36914, 55371, 73828, 92285, 110742, 166113, 184570, 221484, 276855, 332226, 369140, 553710, 664452, 793651, 830565, 1107420, 1587302, 1661130, 2380953, 3174604, 3322260, 3968255, 4761906, 7142859, 7936510, 9523812, 11904765, 14285718, 15873020, 23809530, 28571436, 35714295, 47619060, 71428590, 142857180]

約数ペア:

[(1, 142857180), (2, 71428590), (3, 47619060), (4, 35714295), (5, 28571436), (6, 23809530), (9, 15873020), (10, 14285718), (12, 11904765), (15, 9523812), (18, 7936510), (20, 7142859), (30, 4761906), (36, 3968255), (43, 3322260), (45, 3174604), (60, 2380953), (86, 1661130), (90, 1587302), (129, 1107420), (172, 830565), (180, 793651), (215, 664452), (258, 553710), (387, 369140), (430, 332226), (516, 276855), (645, 221484), (774, 184570), (860, 166113), (1290, 110742), (1548, 92285), (1935, 73828), (2580, 55371), (3870, 36914), (7740, 18457)]