42557220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{236429}}^1$

素因数の和:236444

約数の個数: 36

約数和(自身を含む): 129090780

約数和(自身を除く): 86533560

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 236429, 472858, 709287, 945716, 1182145, 1418574, 2127861, 2364290, 2837148, 3546435, 4255722, 4728580, 7092870, 8511444, 10639305, 14185740, 21278610, 42557220]

約数ペア:

[(1, 42557220), (2, 21278610), (3, 14185740), (4, 10639305), (5, 8511444), (6, 7092870), (9, 4728580), (10, 4255722), (12, 3546435), (15, 2837148), (18, 2364290), (20, 2127861), (30, 1418574), (36, 1182145), (45, 945716), (60, 709287), (90, 472858), (180, 236429)]