80898660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449437}}^1$

素因数の和:449452

約数の個数: 36

約数和(自身を含む): 245393148

約数和(自身を除く): 164494488

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449437, 898874, 1348311, 1797748, 2247185, 2696622, 4044933, 4494370, 5393244, 6741555, 8089866, 8988740, 13483110, 16179732, 20224665, 26966220, 40449330, 80898660]

約数ペア:

[(1, 80898660), (2, 40449330), (3, 26966220), (4, 20224665), (5, 16179732), (6, 13483110), (9, 8988740), (10, 8089866), (12, 6741555), (15, 5393244), (18, 4494370), (20, 4044933), (30, 2696622), (36, 2247185), (45, 1797748), (60, 1348311), (90, 898874), (180, 449437)]