87778260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{487657}}^1$

素因数の和:487672

約数の個数: 36

約数和(自身を含む): 266261268

約数和(自身を除く): 178483008

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 487657, 975314, 1462971, 1950628, 2438285, 2925942, 4388913, 4876570, 5851884, 7314855, 8777826, 9753140, 14629710, 17555652, 21944565, 29259420, 43889130, 87778260]

約数ペア:

[(1, 87778260), (2, 43889130), (3, 29259420), (4, 21944565), (5, 17555652), (6, 14629710), (9, 9753140), (10, 8777826), (12, 7314855), (15, 5851884), (18, 4876570), (20, 4388913), (30, 2925942), (36, 2438285), (45, 1950628), (60, 1462971), (90, 975314), (180, 487657)]