311233920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{937}}^1$

素因数の和:1132

約数の個数: 128

約数和(自身を含む): 998857440

約数和(自身を除く): 687623520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 173, 192, 240, 320, 346, 384, 480, 519, 640, 692, 865, 937, 960, 1038, 1384, 1730, 1874, 1920, 2076, 2595, 2768, 2811, 3460, 3748, 4152, 4685, 5190, 5536, 5622, 6920, 7496, 8304, 9370, 10380, 11072, 11244, 13840, 14055, 14992, 16608, 18740, 20760, 22144, 22488, 27680, 28110, 29984, 33216, 37480, 41520, 44976, 55360, 56220, 59968, 66432, 74960, 83040, 89952, 110720, 112440, 119936, 149920, 162101, 166080, 179904, 224880, 299840, 324202, 332160, 359808, 449760, 486303, 599680, 648404, 810505, 899520, 972606, 1296808, 1621010, 1799040, 1945212, 2431515, 2593616, 3242020, 3890424, 4863030, 5187232, 6484040, 7780848, 9726060, 10374464, 12968080, 15561696, 19452120, 20748928, 25936160, 31123392, 38904240, 51872320, 62246784, 77808480, 103744640, 155616960, 311233920]

約数ペア:

[(1, 311233920), (2, 155616960), (3, 103744640), (4, 77808480), (5, 62246784), (6, 51872320), (8, 38904240), (10, 31123392), (12, 25936160), (15, 20748928), (16, 19452120), (20, 15561696), (24, 12968080), (30, 10374464), (32, 9726060), (40, 7780848), (48, 6484040), (60, 5187232), (64, 4863030), (80, 3890424), (96, 3242020), (120, 2593616), (128, 2431515), (160, 1945212), (173, 1799040), (192, 1621010), (240, 1296808), (320, 972606), (346, 899520), (384, 810505), (480, 648404), (519, 599680), (640, 486303), (692, 449760), (865, 359808), (937, 332160), (960, 324202), (1038, 299840), (1384, 224880), (1730, 179904), (1874, 166080), (1920, 162101), (2076, 149920), (2595, 119936), (2768, 112440), (2811, 110720), (3460, 89952), (3748, 83040), (4152, 74960), (4685, 66432), (5190, 59968), (5536, 56220), (5622, 55360), (6920, 44976), (7496, 41520), (8304, 37480), (9370, 33216), (10380, 29984), (11072, 28110), (11244, 27680), (13840, 22488), (14055, 22144), (14992, 20760), (16608, 18740)]