204123120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2437}}^1$

素因数の和:2802

約数の個数: 80

約数和(自身を含む): 634855200

約数和(自身を除く): 430732080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 349, 698, 1047, 1396, 1745, 2094, 2437, 2792, 3490, 4188, 4874, 5235, 5584, 6980, 7311, 8376, 9748, 10470, 12185, 13960, 14622, 16752, 19496, 20940, 24370, 27920, 29244, 36555, 38992, 41880, 48740, 58488, 73110, 83760, 97480, 116976, 146220, 194960, 292440, 584880, 850513, 1701026, 2551539, 3402052, 4252565, 5103078, 6804104, 8505130, 10206156, 12757695, 13608208, 17010260, 20412312, 25515390, 34020520, 40824624, 51030780, 68041040, 102061560, 204123120]

約数ペア:

[(1, 204123120), (2, 102061560), (3, 68041040), (4, 51030780), (5, 40824624), (6, 34020520), (8, 25515390), (10, 20412312), (12, 17010260), (15, 13608208), (16, 12757695), (20, 10206156), (24, 8505130), (30, 6804104), (40, 5103078), (48, 4252565), (60, 3402052), (80, 2551539), (120, 1701026), (240, 850513), (349, 584880), (698, 292440), (1047, 194960), (1396, 146220), (1745, 116976), (2094, 97480), (2437, 83760), (2792, 73110), (3490, 58488), (4188, 48740), (4874, 41880), (5235, 38992), (5584, 36555), (6980, 29244), (7311, 27920), (8376, 24370), (9748, 20940), (10470, 19496), (12185, 16752), (13960, 14622)]