1977660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{10987}}^1$

素因数の和:11002

約数の個数: 36

約数和(自身を含む): 5999448

約数和(自身を除く): 4021788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 10987, 21974, 32961, 43948, 54935, 65922, 98883, 109870, 131844, 164805, 197766, 219740, 329610, 395532, 494415, 659220, 988830, 1977660]

約数ペア:

[(1, 1977660), (2, 988830), (3, 659220), (4, 494415), (5, 395532), (6, 329610), (9, 219740), (10, 197766), (12, 164805), (15, 131844), (18, 109870), (20, 98883), (30, 65922), (36, 54935), (45, 43948), (60, 32961), (90, 21974), (180, 10987)]