226978020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1260989}}^1$

素因数の和:1261004

約数の個数: 36

約数和(自身を含む): 688500540

約数和(自身を除く): 461522520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1260989, 2521978, 3782967, 5043956, 6304945, 7565934, 11348901, 12609890, 15131868, 18914835, 22697802, 25219780, 37829670, 45395604, 56744505, 75659340, 113489010, 226978020]

約数ペア:

[(1, 226978020), (2, 113489010), (3, 75659340), (4, 56744505), (5, 45395604), (6, 37829670), (9, 25219780), (10, 22697802), (12, 18914835), (15, 15131868), (18, 12609890), (20, 11348901), (30, 7565934), (36, 6304945), (45, 5043956), (60, 3782967), (90, 2521978), (180, 1260989)]