12858660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71437}}^1$

素因数の和:71452

約数の個数: 36

約数和(自身を含む): 39005148

約数和(自身を除く): 26146488

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 71437, 142874, 214311, 285748, 357185, 428622, 642933, 714370, 857244, 1071555, 1285866, 1428740, 2143110, 2571732, 3214665, 4286220, 6429330, 12858660]

約数ペア:

[(1, 12858660), (2, 6429330), (3, 4286220), (4, 3214665), (5, 2571732), (6, 2143110), (9, 1428740), (10, 1285866), (12, 1071555), (15, 857244), (18, 714370), (20, 642933), (30, 428622), (36, 357185), (45, 285748), (60, 214311), (90, 142874), (180, 71437)]