55139220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{306329}}^1$

素因数の和:306344

約数の個数: 36

約数和(自身を含む): 167256180

約数和(自身を除く): 112116960

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 306329, 612658, 918987, 1225316, 1531645, 1837974, 2756961, 3063290, 3675948, 4594935, 5513922, 6126580, 9189870, 11027844, 13784805, 18379740, 27569610, 55139220]

約数ペア:

[(1, 55139220), (2, 27569610), (3, 18379740), (4, 13784805), (5, 11027844), (6, 9189870), (9, 6126580), (10, 5513922), (12, 4594935), (15, 3675948), (18, 3063290), (20, 2756961), (30, 1837974), (36, 1531645), (45, 1225316), (60, 918987), (90, 612658), (180, 306329)]