61978860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{344327}}^1$

素因数の和:344342

約数の個数: 36

約数和(自身を含む): 188003088

約数和(自身を除く): 126024228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 344327, 688654, 1032981, 1377308, 1721635, 2065962, 3098943, 3443270, 4131924, 5164905, 6197886, 6886540, 10329810, 12395772, 15494715, 20659620, 30989430, 61978860]

約数ペア:

[(1, 61978860), (2, 30989430), (3, 20659620), (4, 15494715), (5, 12395772), (6, 10329810), (9, 6886540), (10, 6197886), (12, 5164905), (15, 4131924), (18, 3443270), (20, 3098943), (30, 2065962), (36, 1721635), (45, 1377308), (60, 1032981), (90, 688654), (180, 344327)]