18320580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:327

約数の個数: 120

約数和(自身を含む): 59032512

約数和(自身を除く): 40711932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 258, 263, 270, 324, 387, 405, 430, 516, 526, 540, 645, 774, 789, 810, 860, 1052, 1161, 1290, 1315, 1548, 1578, 1620, 1935, 2322, 2367, 2580, 2630, 3156, 3483, 3870, 3945, 4644, 4734, 5260, 5805, 6966, 7101, 7740, 7890, 9468, 11309, 11610, 11835, 13932, 14202, 15780, 17415, 21303, 22618, 23220, 23670, 28404, 33927, 34830, 35505, 42606, 45236, 47340, 56545, 67854, 69660, 71010, 85212, 101781, 106515, 113090, 135708, 142020, 169635, 203562, 213030, 226180, 305343, 339270, 407124, 426060, 508905, 610686, 678540, 916029, 1017810, 1221372, 1526715, 1832058, 2035620, 3053430, 3664116, 4580145, 6106860, 9160290, 18320580]

約数ペア:

[(1, 18320580), (2, 9160290), (3, 6106860), (4, 4580145), (5, 3664116), (6, 3053430), (9, 2035620), (10, 1832058), (12, 1526715), (15, 1221372), (18, 1017810), (20, 916029), (27, 678540), (30, 610686), (36, 508905), (43, 426060), (45, 407124), (54, 339270), (60, 305343), (81, 226180), (86, 213030), (90, 203562), (108, 169635), (129, 142020), (135, 135708), (162, 113090), (172, 106515), (180, 101781), (215, 85212), (258, 71010), (263, 69660), (270, 67854), (324, 56545), (387, 47340), (405, 45236), (430, 42606), (516, 35505), (526, 34830), (540, 33927), (645, 28404), (774, 23670), (789, 23220), (810, 22618), (860, 21303), (1052, 17415), (1161, 15780), (1290, 14202), (1315, 13932), (1548, 11835), (1578, 11610), (1620, 11309), (1935, 9468), (2322, 7890), (2367, 7740), (2580, 7101), (2630, 6966), (3156, 5805), (3483, 5260), (3870, 4734), (3945, 4644)]