71908740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{399493}}^1$

素因数の和:399508

約数の個数: 36

約数和(自身を含む): 218123724

約数和(自身を除く): 146214984

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 399493, 798986, 1198479, 1597972, 1997465, 2396958, 3595437, 3994930, 4793916, 5992395, 7190874, 7989860, 11984790, 14381748, 17977185, 23969580, 35954370, 71908740]

約数ペア:

[(1, 71908740), (2, 35954370), (3, 23969580), (4, 17977185), (5, 14381748), (6, 11984790), (9, 7989860), (10, 7190874), (12, 5992395), (15, 4793916), (18, 3994930), (20, 3595437), (30, 2396958), (36, 1997465), (45, 1597972), (60, 1198479), (90, 798986), (180, 399493)]