31249620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1367}}^1$

素因数の和:1509

約数の個数: 72

約数和(自身を含む): 95606784

約数和(自身を除く): 64357164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1367, 1524, 1905, 2286, 2540, 2734, 3810, 4101, 4572, 5468, 5715, 6835, 7620, 8202, 11430, 12303, 13670, 16404, 20505, 22860, 24606, 27340, 41010, 49212, 61515, 82020, 123030, 173609, 246060, 347218, 520827, 694436, 868045, 1041654, 1562481, 1736090, 2083308, 2604135, 3124962, 3472180, 5208270, 6249924, 7812405, 10416540, 15624810, 31249620]

約数ペア:

[(1, 31249620), (2, 15624810), (3, 10416540), (4, 7812405), (5, 6249924), (6, 5208270), (9, 3472180), (10, 3124962), (12, 2604135), (15, 2083308), (18, 1736090), (20, 1562481), (30, 1041654), (36, 868045), (45, 694436), (60, 520827), (90, 347218), (127, 246060), (180, 173609), (254, 123030), (381, 82020), (508, 61515), (635, 49212), (762, 41010), (1143, 27340), (1270, 24606), (1367, 22860), (1524, 20505), (1905, 16404), (2286, 13670), (2540, 12303), (2734, 11430), (3810, 8202), (4101, 7620), (4572, 6835), (5468, 5715)]