2491740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 7687680

約数和(自身を除く): 5195940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 127, 180, 218, 254, 327, 381, 436, 508, 545, 635, 654, 762, 981, 1090, 1143, 1270, 1308, 1524, 1635, 1905, 1962, 2180, 2286, 2540, 3270, 3810, 3924, 4572, 4905, 5715, 6540, 7620, 9810, 11430, 13843, 19620, 22860, 27686, 41529, 55372, 69215, 83058, 124587, 138430, 166116, 207645, 249174, 276860, 415290, 498348, 622935, 830580, 1245870, 2491740]

約数ペア:

[(1, 2491740), (2, 1245870), (3, 830580), (4, 622935), (5, 498348), (6, 415290), (9, 276860), (10, 249174), (12, 207645), (15, 166116), (18, 138430), (20, 124587), (30, 83058), (36, 69215), (45, 55372), (60, 41529), (90, 27686), (109, 22860), (127, 19620), (180, 13843), (218, 11430), (254, 9810), (327, 7620), (381, 6540), (436, 5715), (508, 4905), (545, 4572), (635, 3924), (654, 3810), (762, 3270), (981, 2540), (1090, 2286), (1143, 2180), (1270, 1962), (1308, 1905), (1524, 1635)]