280492020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1558289}}^1$

素因数の和:1558304

約数の個数: 36

約数和(自身を含む): 850826340

約数和(自身を除く): 570334320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1558289, 3116578, 4674867, 6233156, 7791445, 9349734, 14024601, 15582890, 18699468, 23374335, 28049202, 31165780, 46748670, 56098404, 70123005, 93497340, 140246010, 280492020]

約数ペア:

[(1, 280492020), (2, 140246010), (3, 93497340), (4, 70123005), (5, 56098404), (6, 46748670), (9, 31165780), (10, 28049202), (12, 23374335), (15, 18699468), (18, 15582890), (20, 14024601), (30, 9349734), (36, 7791445), (45, 6233156), (60, 4674867), (90, 3116578), (180, 1558289)]