1260560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2251}}^1$

素因数の和:2271

約数の個数: 40

約数和(自身を含む): 3350976

約数和(自身を除く): 2090416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2251, 4502, 9004, 11255, 15757, 18008, 22510, 31514, 36016, 45020, 63028, 78785, 90040, 126056, 157570, 180080, 252112, 315140, 630280, 1260560]

約数ペア:

[(1, 1260560), (2, 630280), (4, 315140), (5, 252112), (7, 180080), (8, 157570), (10, 126056), (14, 90040), (16, 78785), (20, 63028), (28, 45020), (35, 36016), (40, 31514), (56, 22510), (70, 18008), (80, 15757), (112, 11255), (140, 9004), (280, 4502), (560, 2251)]