80988660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{49993}}^1$

素因数の和:50014

約数の個数: 60

約数和(自身を含む): 254069508

約数和(自身を除く): 173080848

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 49993, 99986, 149979, 199972, 249965, 299958, 449937, 499930, 599916, 749895, 899874, 999860, 1349811, 1499790, 1799748, 2249685, 2699622, 2999580, 4049433, 4499370, 5399244, 6749055, 8098866, 8998740, 13498110, 16197732, 20247165, 26996220, 40494330, 80988660]

約数ペア:

[(1, 80988660), (2, 40494330), (3, 26996220), (4, 20247165), (5, 16197732), (6, 13498110), (9, 8998740), (10, 8098866), (12, 6749055), (15, 5399244), (18, 4499370), (20, 4049433), (27, 2999580), (30, 2699622), (36, 2249685), (45, 1799748), (54, 1499790), (60, 1349811), (81, 999860), (90, 899874), (108, 749895), (135, 599916), (162, 499930), (180, 449937), (270, 299958), (324, 249965), (405, 199972), (540, 149979), (810, 99986), (1620, 49993)]