87660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{487}}^1$

素因数の和:502

約数の個数: 36

約数和(自身を含む): 266448

約数和(自身を除く): 178788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 487, 974, 1461, 1948, 2435, 2922, 4383, 4870, 5844, 7305, 8766, 9740, 14610, 17532, 21915, 29220, 43830, 87660]

約数ペア:

[(1, 87660), (2, 43830), (3, 29220), (4, 21915), (5, 17532), (6, 14610), (9, 9740), (10, 8766), (12, 7305), (15, 5844), (18, 4870), (20, 4383), (30, 2922), (36, 2435), (45, 1948), (60, 1461), (90, 974), (180, 487)]