12866220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71479}}^1$

素因数の和:71494

約数の個数: 36

約数和(自身を含む): 39028080

約数和(自身を除く): 26161860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 71479, 142958, 214437, 285916, 357395, 428874, 643311, 714790, 857748, 1072185, 1286622, 1429580, 2144370, 2573244, 3216555, 4288740, 6433110, 12866220]

約数ペア:

[(1, 12866220), (2, 6433110), (3, 4288740), (4, 3216555), (5, 2573244), (6, 2144370), (9, 1429580), (10, 1286622), (12, 1072185), (15, 857748), (18, 714790), (20, 643311), (30, 428874), (36, 357395), (45, 285916), (60, 214437), (90, 142958), (180, 71479)]