261175920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1088233}}^1$

素因数の和:1088249

約数の個数: 40

約数和(自身を含む): 809646096

約数和(自身を除く): 548470176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1088233, 2176466, 3264699, 4352932, 5441165, 6529398, 8705864, 10882330, 13058796, 16323495, 17411728, 21764660, 26117592, 32646990, 43529320, 52235184, 65293980, 87058640, 130587960, 261175920]

約数ペア:

[(1, 261175920), (2, 130587960), (3, 87058640), (4, 65293980), (5, 52235184), (6, 43529320), (8, 32646990), (10, 26117592), (12, 21764660), (15, 17411728), (16, 16323495), (20, 13058796), (24, 10882330), (30, 8705864), (40, 6529398), (48, 5441165), (60, 4352932), (80, 3264699), (120, 2176466), (240, 1088233)]