71315820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{396199}}^1$

素因数の和:396214

約数の個数: 36

約数和(自身を含む): 216325200

約数和(自身を除く): 145009380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 396199, 792398, 1188597, 1584796, 1980995, 2377194, 3565791, 3961990, 4754388, 5942985, 7131582, 7923980, 11885970, 14263164, 17828955, 23771940, 35657910, 71315820]

約数ペア:

[(1, 71315820), (2, 35657910), (3, 23771940), (4, 17828955), (5, 14263164), (6, 11885970), (9, 7923980), (10, 7131582), (12, 5942985), (15, 4754388), (18, 3961990), (20, 3565791), (30, 2377194), (36, 1980995), (45, 1584796), (60, 1188597), (90, 792398), (180, 396199)]