220317660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1223987}}^1$

素因数の和:1224002

約数の個数: 36

約数和(自身を含む): 668297448

約数和(自身を除く): 447979788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1223987, 2447974, 3671961, 4895948, 6119935, 7343922, 11015883, 12239870, 14687844, 18359805, 22031766, 24479740, 36719610, 44063532, 55079415, 73439220, 110158830, 220317660]

約数ペア:

[(1, 220317660), (2, 110158830), (3, 73439220), (4, 55079415), (5, 44063532), (6, 36719610), (9, 24479740), (10, 22031766), (12, 18359805), (15, 14687844), (18, 12239870), (20, 11015883), (30, 7343922), (36, 6119935), (45, 4895948), (60, 3671961), (90, 2447974), (180, 1223987)]