87802020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{487789}}^1$

素因数の和:487804

約数の個数: 36

約数和(自身を含む): 266333340

約数和(自身を除く): 178531320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 487789, 975578, 1463367, 1951156, 2438945, 2926734, 4390101, 4877890, 5853468, 7316835, 8780202, 9755780, 14633670, 17560404, 21950505, 29267340, 43901010, 87802020]

約数ペア:

[(1, 87802020), (2, 43901010), (3, 29267340), (4, 21950505), (5, 17560404), (6, 14633670), (9, 9755780), (10, 8780202), (12, 7316835), (15, 5853468), (18, 4877890), (20, 4390101), (30, 2926734), (36, 2438945), (45, 1951156), (60, 1463367), (90, 975578), (180, 487789)]