47139660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{261887}}^1$

素因数の和:261902

約数の個数: 36

約数和(自身を含む): 142990848

約数和(自身を除く): 95851188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 261887, 523774, 785661, 1047548, 1309435, 1571322, 2356983, 2618870, 3142644, 3928305, 4713966, 5237740, 7856610, 9427932, 11784915, 15713220, 23569830, 47139660]

約数ペア:

[(1, 47139660), (2, 23569830), (3, 15713220), (4, 11784915), (5, 9427932), (6, 7856610), (9, 5237740), (10, 4713966), (12, 3928305), (15, 3142644), (18, 2618870), (20, 2356983), (30, 1571322), (36, 1309435), (45, 1047548), (60, 785661), (90, 523774), (180, 261887)]