71008020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{394489}}^1$

素因数の和:394504

約数の個数: 36

約数和(自身を含む): 215391540

約数和(自身を除く): 144383520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 394489, 788978, 1183467, 1577956, 1972445, 2366934, 3550401, 3944890, 4733868, 5917335, 7100802, 7889780, 11834670, 14201604, 17752005, 23669340, 35504010, 71008020]

約数ペア:

[(1, 71008020), (2, 35504010), (3, 23669340), (4, 17752005), (5, 14201604), (6, 11834670), (9, 7889780), (10, 7100802), (12, 5917335), (15, 4733868), (18, 3944890), (20, 3550401), (30, 2366934), (36, 1972445), (45, 1577956), (60, 1183467), (90, 788978), (180, 394489)]