87370020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{485389}}^1$

素因数の和:485404

約数の個数: 36

約数和(自身を含む): 265022940

約数和(自身を除く): 177652920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 485389, 970778, 1456167, 1941556, 2426945, 2912334, 4368501, 4853890, 5824668, 7280835, 8737002, 9707780, 14561670, 17474004, 21842505, 29123340, 43685010, 87370020]

約数ペア:

[(1, 87370020), (2, 43685010), (3, 29123340), (4, 21842505), (5, 17474004), (6, 14561670), (9, 9707780), (10, 8737002), (12, 7280835), (15, 5824668), (18, 4853890), (20, 4368501), (30, 2912334), (36, 2426945), (45, 1941556), (60, 1456167), (90, 970778), (180, 485389)]