90268020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{55721}}^1$

素因数の和:55742

約数の個数: 60

約数和(自身を含む): 283179204

約数和(自身を除く): 192911184

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 55721, 111442, 167163, 222884, 278605, 334326, 501489, 557210, 668652, 835815, 1002978, 1114420, 1504467, 1671630, 2005956, 2507445, 3008934, 3343260, 4513401, 5014890, 6017868, 7522335, 9026802, 10029780, 15044670, 18053604, 22567005, 30089340, 45134010, 90268020]

約数ペア:

[(1, 90268020), (2, 45134010), (3, 30089340), (4, 22567005), (5, 18053604), (6, 15044670), (9, 10029780), (10, 9026802), (12, 7522335), (15, 6017868), (18, 5014890), (20, 4513401), (27, 3343260), (30, 3008934), (36, 2507445), (45, 2005956), (54, 1671630), (60, 1504467), (81, 1114420), (90, 1002978), (108, 835815), (135, 668652), (162, 557210), (180, 501489), (270, 334326), (324, 278605), (405, 222884), (540, 167163), (810, 111442), (1620, 55721)]