978660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{5437}}^1$

素因数の和:5452

約数の個数: 36

約数和(自身を含む): 2969148

約数和(自身を除く): 1990488

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 5437, 10874, 16311, 21748, 27185, 32622, 48933, 54370, 65244, 81555, 97866, 108740, 163110, 195732, 244665, 326220, 489330, 978660]

約数ペア:

[(1, 978660), (2, 489330), (3, 326220), (4, 244665), (5, 195732), (6, 163110), (9, 108740), (10, 97866), (12, 81555), (15, 65244), (18, 54370), (20, 48933), (30, 32622), (36, 27185), (45, 21748), (60, 16311), (90, 10874), (180, 5437)]