28900440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{80279}}^1$

素因数の和:80296

約数の個数: 48

約数和(自身を含む): 93927600

約数和(自身を除く): 65027160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 80279, 160558, 240837, 321116, 401395, 481674, 642232, 722511, 802790, 963348, 1204185, 1445022, 1605580, 1926696, 2408370, 2890044, 3211160, 3612555, 4816740, 5780088, 7225110, 9633480, 14450220, 28900440]

約数ペア:

[(1, 28900440), (2, 14450220), (3, 9633480), (4, 7225110), (5, 5780088), (6, 4816740), (8, 3612555), (9, 3211160), (10, 2890044), (12, 2408370), (15, 1926696), (18, 1605580), (20, 1445022), (24, 1204185), (30, 963348), (36, 802790), (40, 722511), (45, 642232), (60, 481674), (72, 401395), (90, 321116), (120, 240837), (180, 160558), (360, 80279)]