279808020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{172721}}^1$

素因数の和:172742

約数の個数: 60

約数和(自身を含む): 877773204

約数和(自身を除く): 597965184

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, 172721, 345442, 518163, 690884, 863605, 1036326, 1554489, 1727210, 2072652, 2590815, 3108978, 3454420, 4663467, 5181630, 6217956, 7772445, 9326934, 10363260, 13990401, 15544890, 18653868, 23317335, 27980802, 31089780, 46634670, 55961604, 69952005, 93269340, 139904010, 279808020]

約数ペア:

[(1, 279808020), (2, 139904010), (3, 93269340), (4, 69952005), (5, 55961604), (6, 46634670), (9, 31089780), (10, 27980802), (12, 23317335), (15, 18653868), (18, 15544890), (20, 13990401), (27, 10363260), (30, 9326934), (36, 7772445), (45, 6217956), (54, 5181630), (60, 4663467), (81, 3454420), (90, 3108978), (108, 2590815), (135, 2072652), (162, 1727210), (180, 1554489), (270, 1036326), (324, 863605), (405, 690884), (540, 518163), (810, 345442), (1620, 172721)]