90458460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2551}}^1$

素因数の和:2763

約数の個数: 72

約数和(自身を含む): 275891616

約数和(自身を除く): 185433156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2551, 2955, 3546, 3940, 5102, 5910, 7092, 7653, 8865, 10204, 11820, 12755, 15306, 17730, 22959, 25510, 30612, 35460, 38265, 45918, 51020, 76530, 91836, 114795, 153060, 229590, 459180, 502547, 1005094, 1507641, 2010188, 2512735, 3015282, 4522923, 5025470, 6030564, 7538205, 9045846, 10050940, 15076410, 18091692, 22614615, 30152820, 45229230, 90458460]

約数ペア:

[(1, 90458460), (2, 45229230), (3, 30152820), (4, 22614615), (5, 18091692), (6, 15076410), (9, 10050940), (10, 9045846), (12, 7538205), (15, 6030564), (18, 5025470), (20, 4522923), (30, 3015282), (36, 2512735), (45, 2010188), (60, 1507641), (90, 1005094), (180, 502547), (197, 459180), (394, 229590), (591, 153060), (788, 114795), (985, 91836), (1182, 76530), (1773, 51020), (1970, 45918), (2364, 38265), (2551, 35460), (2955, 30612), (3546, 25510), (3940, 22959), (5102, 17730), (5910, 15306), (7092, 12755), (7653, 11820), (8865, 10204)]