254113920

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:463

約数の個数: 192

約数和(自身を含む): 886218840

約数和(自身を除く): 632104920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 157, 160, 180, 192, 240, 281, 288, 314, 320, 360, 384, 471, 480, 562, 576, 628, 640, 720, 785, 843, 942, 960, 1124, 1152, 1256, 1405, 1413, 1440, 1570, 1686, 1884, 1920, 2248, 2355, 2512, 2529, 2810, 2826, 2880, 3140, 3372, 3768, 4215, 4496, 4710, 5024, 5058, 5620, 5652, 5760, 6280, 6744, 7065, 7536, 8430, 8992, 9420, 10048, 10116, 11240, 11304, 12560, 12645, 13488, 14130, 15072, 16860, 17984, 18840, 20096, 20232, 22480, 22608, 25120, 25290, 26976, 28260, 30144, 33720, 35968, 37680, 40464, 44117, 44960, 45216, 50240, 50580, 53952, 56520, 60288, 67440, 75360, 80928, 88234, 89920, 90432, 100480, 101160, 107904, 113040, 132351, 134880, 150720, 161856, 176468, 179840, 180864, 202320, 220585, 226080, 264702, 269760, 301440, 323712, 352936, 397053, 404640, 441170, 452160, 529404, 539520, 661755, 705872, 794106, 809280, 882340, 904320, 1058808, 1323510, 1411744, 1588212, 1618560, 1764680, 1985265, 2117616, 2647020, 2823488, 3176424, 3529360, 3970530, 4235232, 5294040, 5646976, 6352848, 7058720, 7941060, 8470464, 10588080, 12705696, 14117440, 15882120, 16940928, 21176160, 25411392, 28234880, 31764240, 42352320, 50822784, 63528480, 84704640, 127056960, 254113920]

約数ペア:

[(1, 254113920), (2, 127056960), (3, 84704640), (4, 63528480), (5, 50822784), (6, 42352320), (8, 31764240), (9, 28234880), (10, 25411392), (12, 21176160), (15, 16940928), (16, 15882120), (18, 14117440), (20, 12705696), (24, 10588080), (30, 8470464), (32, 7941060), (36, 7058720), (40, 6352848), (45, 5646976), (48, 5294040), (60, 4235232), (64, 3970530), (72, 3529360), (80, 3176424), (90, 2823488), (96, 2647020), (120, 2117616), (128, 1985265), (144, 1764680), (157, 1618560), (160, 1588212), (180, 1411744), (192, 1323510), (240, 1058808), (281, 904320), (288, 882340), (314, 809280), (320, 794106), (360, 705872), (384, 661755), (471, 539520), (480, 529404), (562, 452160), (576, 441170), (628, 404640), (640, 397053), (720, 352936), (785, 323712), (843, 301440), (942, 269760), (960, 264702), (1124, 226080), (1152, 220585), (1256, 202320), (1405, 180864), (1413, 179840), (1440, 176468), (1570, 161856), (1686, 150720), (1884, 134880), (1920, 132351), (2248, 113040), (2355, 107904), (2512, 101160), (2529, 100480), (2810, 90432), (2826, 89920), (2880, 88234), (3140, 80928), (3372, 75360), (3768, 67440), (4215, 60288), (4496, 56520), (4710, 53952), (5024, 50580), (5058, 50240), (5620, 45216), (5652, 44960), (5760, 44117), (6280, 40464), (6744, 37680), (7065, 35968), (7536, 33720), (8430, 30144), (8992, 28260), (9420, 26976), (10048, 25290), (10116, 25120), (11240, 22608), (11304, 22480), (12560, 20232), (12645, 20096), (13488, 18840), (14130, 17984), (15072, 16860)]