78708780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{145757}}^1$

素因数の和:145775

約数の個数: 48

約数和(自身を含む): 244873440

約数和(自身を除く): 166164660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 145757, 291514, 437271, 583028, 728785, 874542, 1311813, 1457570, 1749084, 2186355, 2623626, 2915140, 3935439, 4372710, 5247252, 6559065, 7870878, 8745420, 13118130, 15741756, 19677195, 26236260, 39354390, 78708780]

約数ペア:

[(1, 78708780), (2, 39354390), (3, 26236260), (4, 19677195), (5, 15741756), (6, 13118130), (9, 8745420), (10, 7870878), (12, 6559065), (15, 5247252), (18, 4372710), (20, 3935439), (27, 2915140), (30, 2623626), (36, 2186355), (45, 1749084), (54, 1457570), (60, 1311813), (90, 874542), (108, 728785), (135, 583028), (180, 437271), (270, 291514), (540, 145757)]