71285220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{396029}}^1$

素因数の和:396044

約数の個数: 36

約数和(自身を含む): 216232380

約数和(自身を除く): 144947160

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 396029, 792058, 1188087, 1584116, 1980145, 2376174, 3564261, 3960290, 4752348, 5940435, 7128522, 7920580, 11880870, 14257044, 17821305, 23761740, 35642610, 71285220]

約数ペア:

[(1, 71285220), (2, 35642610), (3, 23761740), (4, 17821305), (5, 14257044), (6, 11880870), (9, 7920580), (10, 7128522), (12, 5940435), (15, 4752348), (18, 3960290), (20, 3564261), (30, 2376174), (36, 1980145), (45, 1584116), (60, 1188087), (90, 792058), (180, 396029)]