291318660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{539479}}^1$

素因数の和:539497

約数の個数: 48

約数和(自身を含む): 906326400

約数和(自身を除く): 615007740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 539479, 1078958, 1618437, 2157916, 2697395, 3236874, 4855311, 5394790, 6473748, 8092185, 9710622, 10789580, 14565933, 16184370, 19421244, 24276555, 29131866, 32368740, 48553110, 58263732, 72829665, 97106220, 145659330, 291318660]

約数ペア:

[(1, 291318660), (2, 145659330), (3, 97106220), (4, 72829665), (5, 58263732), (6, 48553110), (9, 32368740), (10, 29131866), (12, 24276555), (15, 19421244), (18, 16184370), (20, 14565933), (27, 10789580), (30, 9710622), (36, 8092185), (45, 6473748), (54, 5394790), (60, 4855311), (90, 3236874), (108, 2697395), (135, 2157916), (180, 1618437), (270, 1078958), (540, 539479)]