255508020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{157721}}^1$

素因数の和:157742

約数の個数: 60

約数和(自身を含む): 801543204

約数和(自身を除く): 546035184

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, 157721, 315442, 473163, 630884, 788605, 946326, 1419489, 1577210, 1892652, 2365815, 2838978, 3154420, 4258467, 4731630, 5677956, 7097445, 8516934, 9463260, 12775401, 14194890, 17033868, 21292335, 25550802, 28389780, 42584670, 51101604, 63877005, 85169340, 127754010, 255508020]

約数ペア:

[(1, 255508020), (2, 127754010), (3, 85169340), (4, 63877005), (5, 51101604), (6, 42584670), (9, 28389780), (10, 25550802), (12, 21292335), (15, 17033868), (18, 14194890), (20, 12775401), (27, 9463260), (30, 8516934), (36, 7097445), (45, 5677956), (54, 4731630), (60, 4258467), (81, 3154420), (90, 2838978), (108, 2365815), (135, 1892652), (162, 1577210), (180, 1419489), (270, 946326), (324, 788605), (405, 630884), (540, 473163), (810, 315442), (1620, 157721)]