1228076800

素因数分解:

$2^8\times 5^2\times {\mathrm{311}}^1\times {\mathrm{617}}^1$

素因数の和:954

約数の個数: 108

約数和(自身を含む): 3054398256

約数和(自身を除く): 1826321456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 311, 320, 400, 617, 622, 640, 800, 1234, 1244, 1280, 1555, 1600, 2468, 2488, 3085, 3110, 3200, 4936, 4976, 6170, 6220, 6400, 7775, 9872, 9952, 12340, 12440, 15425, 15550, 19744, 19904, 24680, 24880, 30850, 31100, 39488, 39808, 49360, 49760, 61700, 62200, 78976, 79616, 98720, 99520, 123400, 124400, 157952, 191887, 197440, 199040, 246800, 248800, 383774, 394880, 398080, 493600, 497600, 767548, 789760, 959435, 987200, 995200, 1535096, 1918870, 1974400, 1990400, 3070192, 3837740, 3948800, 4797175, 6140384, 7675480, 9594350, 12280768, 15350960, 19188700, 24561536, 30701920, 38377400, 49123072, 61403840, 76754800, 122807680, 153509600, 245615360, 307019200, 614038400, 1228076800]

約数ペア:

[(1, 1228076800), (2, 614038400), (4, 307019200), (5, 245615360), (8, 153509600), (10, 122807680), (16, 76754800), (20, 61403840), (25, 49123072), (32, 38377400), (40, 30701920), (50, 24561536), (64, 19188700), (80, 15350960), (100, 12280768), (128, 9594350), (160, 7675480), (200, 6140384), (256, 4797175), (311, 3948800), (320, 3837740), (400, 3070192), (617, 1990400), (622, 1974400), (640, 1918870), (800, 1535096), (1234, 995200), (1244, 987200), (1280, 959435), (1555, 789760), (1600, 767548), (2468, 497600), (2488, 493600), (3085, 398080), (3110, 394880), (3200, 383774), (4936, 248800), (4976, 246800), (6170, 199040), (6220, 197440), (6400, 191887), (7775, 157952), (9872, 124400), (9952, 123400), (12340, 99520), (12440, 98720), (15425, 79616), (15550, 78976), (19744, 62200), (19904, 61700), (24680, 49760), (24880, 49360), (30850, 39808), (31100, 39488)]