28158660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{156437}}^1$

素因数の和:156452

約数の個数: 36

約数和(自身を含む): 85415148

約数和(自身を除く): 57256488

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 156437, 312874, 469311, 625748, 782185, 938622, 1407933, 1564370, 1877244, 2346555, 2815866, 3128740, 4693110, 5631732, 7039665, 9386220, 14079330, 28158660]

約数ペア:

[(1, 28158660), (2, 14079330), (3, 9386220), (4, 7039665), (5, 5631732), (6, 4693110), (9, 3128740), (10, 2815866), (12, 2346555), (15, 1877244), (18, 1564370), (20, 1407933), (30, 938622), (36, 782185), (45, 625748), (60, 469311), (90, 312874), (180, 156437)]