309507840

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:495

約数の個数: 216

約数和(自身を含む): 1089558288

約数和(自身を除く): 780050448

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, 67, 72, 80, 90, 96, 120, 128, 134, 144, 160, 180, 192, 201, 240, 256, 268, 288, 320, 335, 360, 384, 401, 402, 480, 536, 576, 603, 640, 670, 720, 768, 802, 804, 960, 1005, 1072, 1152, 1203, 1206, 1280, 1340, 1440, 1604, 1608, 1920, 2005, 2010, 2144, 2304, 2406, 2412, 2680, 2880, 3015, 3208, 3216, 3609, 3840, 4010, 4020, 4288, 4812, 4824, 5360, 5760, 6015, 6030, 6416, 6432, 7218, 8020, 8040, 8576, 9624, 9648, 10720, 11520, 12030, 12060, 12832, 12864, 14436, 16040, 16080, 17152, 18045, 19248, 19296, 21440, 24060, 24120, 25664, 25728, 26867, 28872, 32080, 32160, 36090, 38496, 38592, 42880, 48120, 48240, 51328, 51456, 53734, 57744, 64160, 64320, 72180, 76992, 77184, 80601, 85760, 96240, 96480, 102656, 107468, 115488, 128320, 128640, 134335, 144360, 153984, 154368, 161202, 192480, 192960, 214936, 230976, 241803, 256640, 257280, 268670, 288720, 307968, 322404, 384960, 385920, 403005, 429872, 461952, 483606, 513280, 537340, 577440, 644808, 769920, 771840, 806010, 859744, 923904, 967212, 1074680, 1154880, 1209015, 1289616, 1539840, 1612020, 1719488, 1934424, 2149360, 2309760, 2418030, 2579232, 3224040, 3438976, 3868848, 4298720, 4619520, 4836060, 5158464, 6448080, 6877952, 7737696, 8597440, 9672120, 10316928, 12896160, 15475392, 17194880, 19344240, 20633856, 25792320, 30950784, 34389760, 38688480, 51584640, 61901568, 77376960, 103169280, 154753920, 309507840]

約数ペア:

[(1, 309507840), (2, 154753920), (3, 103169280), (4, 77376960), (5, 61901568), (6, 51584640), (8, 38688480), (9, 34389760), (10, 30950784), (12, 25792320), (15, 20633856), (16, 19344240), (18, 17194880), (20, 15475392), (24, 12896160), (30, 10316928), (32, 9672120), (36, 8597440), (40, 7737696), (45, 6877952), (48, 6448080), (60, 5158464), (64, 4836060), (67, 4619520), (72, 4298720), (80, 3868848), (90, 3438976), (96, 3224040), (120, 2579232), (128, 2418030), (134, 2309760), (144, 2149360), (160, 1934424), (180, 1719488), (192, 1612020), (201, 1539840), (240, 1289616), (256, 1209015), (268, 1154880), (288, 1074680), (320, 967212), (335, 923904), (360, 859744), (384, 806010), (401, 771840), (402, 769920), (480, 644808), (536, 577440), (576, 537340), (603, 513280), (640, 483606), (670, 461952), (720, 429872), (768, 403005), (802, 385920), (804, 384960), (960, 322404), (1005, 307968), (1072, 288720), (1152, 268670), (1203, 257280), (1206, 256640), (1280, 241803), (1340, 230976), (1440, 214936), (1604, 192960), (1608, 192480), (1920, 161202), (2005, 154368), (2010, 153984), (2144, 144360), (2304, 134335), (2406, 128640), (2412, 128320), (2680, 115488), (2880, 107468), (3015, 102656), (3208, 96480), (3216, 96240), (3609, 85760), (3840, 80601), (4010, 77184), (4020, 76992), (4288, 72180), (4812, 64320), (4824, 64160), (5360, 57744), (5760, 53734), (6015, 51456), (6030, 51328), (6416, 48240), (6432, 48120), (7218, 42880), (8020, 38592), (8040, 38496), (8576, 36090), (9624, 32160), (9648, 32080), (10720, 28872), (11520, 26867), (12030, 25728), (12060, 25664), (12832, 24120), (12864, 24060), (14436, 21440), (16040, 19296), (16080, 19248), (17152, 18045)]