71548740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{397493}}^1$

素因数の和:397508

約数の個数: 36

約数和(自身を含む): 217031724

約数和(自身を除く): 145482984

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 397493, 794986, 1192479, 1589972, 1987465, 2384958, 3577437, 3974930, 4769916, 5962395, 7154874, 7949860, 11924790, 14309748, 17887185, 23849580, 35774370, 71548740]

約数ペア:

[(1, 71548740), (2, 35774370), (3, 23849580), (4, 17887185), (5, 14309748), (6, 11924790), (9, 7949860), (10, 7154874), (12, 5962395), (15, 4769916), (18, 3974930), (20, 3577437), (30, 2384958), (36, 1987465), (45, 1589972), (60, 1192479), (90, 794986), (180, 397493)]