254638080

素因数分解:

$2^{11}\times 3^4\times 5^1\times {\mathrm{307}}^1$

素因数の和:346

約数の個数: 240

約数和(自身を含む): 915674760

約数和(自身を除く): 661036680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 307, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 614, 640, 648, 720, 768, 810, 864, 921, 960, 1024, 1080, 1152, 1228, 1280, 1296, 1440, 1535, 1536, 1620, 1728, 1842, 1920, 2048, 2160, 2304, 2456, 2560, 2592, 2763, 2880, 3070, 3072, 3240, 3456, 3684, 3840, 4320, 4605, 4608, 4912, 5120, 5184, 5526, 5760, 6140, 6144, 6480, 6912, 7368, 7680, 8289, 8640, 9210, 9216, 9824, 10240, 10368, 11052, 11520, 12280, 12960, 13815, 13824, 14736, 15360, 16578, 17280, 18420, 18432, 19648, 20736, 22104, 23040, 24560, 24867, 25920, 27630, 27648, 29472, 30720, 33156, 34560, 36840, 39296, 41445, 41472, 44208, 46080, 49120, 49734, 51840, 55260, 55296, 58944, 66312, 69120, 73680, 78592, 82890, 82944, 88416, 92160, 98240, 99468, 103680, 110520, 117888, 124335, 132624, 138240, 147360, 157184, 165780, 165888, 176832, 196480, 198936, 207360, 221040, 235776, 248670, 265248, 276480, 294720, 314368, 331560, 353664, 392960, 397872, 414720, 442080, 471552, 497340, 530496, 589440, 628736, 663120, 707328, 785920, 795744, 829440, 884160, 943104, 994680, 1060992, 1178880, 1326240, 1414656, 1571840, 1591488, 1768320, 1886208, 1989360, 2121984, 2357760, 2652480, 2829312, 3143680, 3182976, 3536640, 3978720, 4243968, 4715520, 5304960, 5658624, 6365952, 7073280, 7957440, 8487936, 9431040, 10609920, 12731904, 14146560, 15914880, 16975872, 21219840, 25463808, 28293120, 31829760, 42439680, 50927616, 63659520, 84879360, 127319040, 254638080]

約数ペア:

[(1, 254638080), (2, 127319040), (3, 84879360), (4, 63659520), (5, 50927616), (6, 42439680), (8, 31829760), (9, 28293120), (10, 25463808), (12, 21219840), (15, 16975872), (16, 15914880), (18, 14146560), (20, 12731904), (24, 10609920), (27, 9431040), (30, 8487936), (32, 7957440), (36, 7073280), (40, 6365952), (45, 5658624), (48, 5304960), (54, 4715520), (60, 4243968), (64, 3978720), (72, 3536640), (80, 3182976), (81, 3143680), (90, 2829312), (96, 2652480), (108, 2357760), (120, 2121984), (128, 1989360), (135, 1886208), (144, 1768320), (160, 1591488), (162, 1571840), (180, 1414656), (192, 1326240), (216, 1178880), (240, 1060992), (256, 994680), (270, 943104), (288, 884160), (307, 829440), (320, 795744), (324, 785920), (360, 707328), (384, 663120), (405, 628736), (432, 589440), (480, 530496), (512, 497340), (540, 471552), (576, 442080), (614, 414720), (640, 397872), (648, 392960), (720, 353664), (768, 331560), (810, 314368), (864, 294720), (921, 276480), (960, 265248), (1024, 248670), (1080, 235776), (1152, 221040), (1228, 207360), (1280, 198936), (1296, 196480), (1440, 176832), (1535, 165888), (1536, 165780), (1620, 157184), (1728, 147360), (1842, 138240), (1920, 132624), (2048, 124335), (2160, 117888), (2304, 110520), (2456, 103680), (2560, 99468), (2592, 98240), (2763, 92160), (2880, 88416), (3070, 82944), (3072, 82890), (3240, 78592), (3456, 73680), (3684, 69120), (3840, 66312), (4320, 58944), (4605, 55296), (4608, 55260), (4912, 51840), (5120, 49734), (5184, 49120), (5526, 46080), (5760, 44208), (6140, 41472), (6144, 41445), (6480, 39296), (6912, 36840), (7368, 34560), (7680, 33156), (8289, 30720), (8640, 29472), (9210, 27648), (9216, 27630), (9824, 25920), (10240, 24867), (10368, 24560), (11052, 23040), (11520, 22104), (12280, 20736), (12960, 19648), (13815, 18432), (13824, 18420), (14736, 17280), (15360, 16578)]