257091840

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:246

約数の個数: 288

約数和(自身を含む): 938931840

約数和(自身を除く): 681840000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 64, 72, 80, 86, 90, 96, 108, 120, 128, 129, 135, 144, 160, 172, 173, 180, 192, 215, 216, 240, 256, 258, 270, 288, 320, 344, 346, 360, 384, 387, 430, 432, 480, 516, 519, 540, 576, 640, 645, 688, 692, 720, 768, 774, 860, 864, 865, 960, 1032, 1038, 1080, 1152, 1161, 1280, 1290, 1376, 1384, 1440, 1548, 1557, 1720, 1728, 1730, 1920, 1935, 2064, 2076, 2160, 2304, 2322, 2580, 2595, 2752, 2768, 2880, 3096, 3114, 3440, 3456, 3460, 3840, 3870, 4128, 4152, 4320, 4644, 4671, 5160, 5190, 5504, 5536, 5760, 5805, 6192, 6228, 6880, 6912, 6920, 7439, 7740, 7785, 8256, 8304, 8640, 9288, 9342, 10320, 10380, 11008, 11072, 11520, 11610, 12384, 12456, 13760, 13840, 14878, 15480, 15570, 16512, 16608, 17280, 18576, 18684, 20640, 20760, 22144, 22317, 23220, 23355, 24768, 24912, 27520, 27680, 29756, 30960, 31140, 33024, 33216, 34560, 37152, 37195, 37368, 41280, 41520, 44288, 44634, 46440, 46710, 49536, 49824, 55040, 55360, 59512, 61920, 62280, 66432, 66951, 74304, 74390, 74736, 82560, 83040, 89268, 92880, 93420, 99072, 99648, 110720, 111585, 119024, 123840, 124560, 132864, 133902, 148608, 148780, 149472, 165120, 166080, 178536, 185760, 186840, 199296, 200853, 221440, 223170, 238048, 247680, 249120, 267804, 297216, 297560, 298944, 332160, 334755, 357072, 371520, 373680, 398592, 401706, 446340, 476096, 495360, 498240, 535608, 595120, 597888, 664320, 669510, 714144, 743040, 747360, 803412, 892680, 952192, 996480, 1004265, 1071216, 1190240, 1195776, 1339020, 1428288, 1486080, 1494720, 1606824, 1785360, 1904384, 1992960, 2008530, 2142432, 2380480, 2678040, 2856576, 2989440, 3213648, 3570720, 4017060, 4284864, 4760960, 5356080, 5713152, 5978880, 6427296, 7141440, 8034120, 8569728, 9521920, 10712160, 12854592, 14282880, 16068240, 17139456, 21424320, 25709184, 28565760, 32136480, 42848640, 51418368, 64272960, 85697280, 128545920, 257091840]

約数ペア:

[(1, 257091840), (2, 128545920), (3, 85697280), (4, 64272960), (5, 51418368), (6, 42848640), (8, 32136480), (9, 28565760), (10, 25709184), (12, 21424320), (15, 17139456), (16, 16068240), (18, 14282880), (20, 12854592), (24, 10712160), (27, 9521920), (30, 8569728), (32, 8034120), (36, 7141440), (40, 6427296), (43, 5978880), (45, 5713152), (48, 5356080), (54, 4760960), (60, 4284864), (64, 4017060), (72, 3570720), (80, 3213648), (86, 2989440), (90, 2856576), (96, 2678040), (108, 2380480), (120, 2142432), (128, 2008530), (129, 1992960), (135, 1904384), (144, 1785360), (160, 1606824), (172, 1494720), (173, 1486080), (180, 1428288), (192, 1339020), (215, 1195776), (216, 1190240), (240, 1071216), (256, 1004265), (258, 996480), (270, 952192), (288, 892680), (320, 803412), (344, 747360), (346, 743040), (360, 714144), (384, 669510), (387, 664320), (430, 597888), (432, 595120), (480, 535608), (516, 498240), (519, 495360), (540, 476096), (576, 446340), (640, 401706), (645, 398592), (688, 373680), (692, 371520), (720, 357072), (768, 334755), (774, 332160), (860, 298944), (864, 297560), (865, 297216), (960, 267804), (1032, 249120), (1038, 247680), (1080, 238048), (1152, 223170), (1161, 221440), (1280, 200853), (1290, 199296), (1376, 186840), (1384, 185760), (1440, 178536), (1548, 166080), (1557, 165120), (1720, 149472), (1728, 148780), (1730, 148608), (1920, 133902), (1935, 132864), (2064, 124560), (2076, 123840), (2160, 119024), (2304, 111585), (2322, 110720), (2580, 99648), (2595, 99072), (2752, 93420), (2768, 92880), (2880, 89268), (3096, 83040), (3114, 82560), (3440, 74736), (3456, 74390), (3460, 74304), (3840, 66951), (3870, 66432), (4128, 62280), (4152, 61920), (4320, 59512), (4644, 55360), (4671, 55040), (5160, 49824), (5190, 49536), (5504, 46710), (5536, 46440), (5760, 44634), (5805, 44288), (6192, 41520), (6228, 41280), (6880, 37368), (6912, 37195), (6920, 37152), (7439, 34560), (7740, 33216), (7785, 33024), (8256, 31140), (8304, 30960), (8640, 29756), (9288, 27680), (9342, 27520), (10320, 24912), (10380, 24768), (11008, 23355), (11072, 23220), (11520, 22317), (11610, 22144), (12384, 20760), (12456, 20640), (13760, 18684), (13840, 18576), (14878, 17280), (15480, 16608), (15570, 16512)]