205740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{127}}^1$

素因数の和:148

約数の個数: 60

約数和(自身を含む): 650496

約数和(自身を除く): 444756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 127, 135, 162, 180, 254, 270, 324, 381, 405, 508, 540, 635, 762, 810, 1143, 1270, 1524, 1620, 1905, 2286, 2540, 3429, 3810, 4572, 5715, 6858, 7620, 10287, 11430, 13716, 17145, 20574, 22860, 34290, 41148, 51435, 68580, 102870, 205740]

約数ペア:

[(1, 205740), (2, 102870), (3, 68580), (4, 51435), (5, 41148), (6, 34290), (9, 22860), (10, 20574), (12, 17145), (15, 13716), (18, 11430), (20, 10287), (27, 7620), (30, 6858), (36, 5715), (45, 4572), (54, 3810), (60, 3429), (81, 2540), (90, 2286), (108, 1905), (127, 1620), (135, 1524), (162, 1270), (180, 1143), (254, 810), (270, 762), (324, 635), (381, 540), (405, 508)]