2157660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11987}}^1$

素因数の和:12002

約数の個数: 36

約数和(自身を含む): 6545448

約数和(自身を除く): 4387788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 11987, 23974, 35961, 47948, 59935, 71922, 107883, 119870, 143844, 179805, 215766, 239740, 359610, 431532, 539415, 719220, 1078830, 2157660]

約数ペア:

[(1, 2157660), (2, 1078830), (3, 719220), (4, 539415), (5, 431532), (6, 359610), (9, 239740), (10, 215766), (12, 179805), (15, 143844), (18, 119870), (20, 107883), (30, 71922), (36, 59935), (45, 47948), (60, 35961), (90, 23974), (180, 11987)]