1276784640

素因数分解:

$2^{12}\times 3^3\times 5^1\times {\mathrm{2309}}^1$

素因数の和:2347

約数の個数: 208

約数和(自身を含む): 4541090400

約数和(自身を除く): 3264305760

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, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1024, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2048, 2160, 2304, 2309, 2560, 2880, 3072, 3456, 3840, 4096, 4320, 4608, 4618, 5120, 5760, 6144, 6912, 6927, 7680, 8640, 9216, 9236, 10240, 11520, 11545, 12288, 13824, 13854, 15360, 17280, 18432, 18472, 20480, 20781, 23040, 23090, 27648, 27708, 30720, 34560, 34635, 36864, 36944, 41562, 46080, 46180, 55296, 55416, 61440, 62343, 69120, 69270, 73888, 83124, 92160, 92360, 103905, 110592, 110832, 124686, 138240, 138540, 147776, 166248, 184320, 184720, 207810, 221664, 249372, 276480, 277080, 295552, 311715, 332496, 369440, 415620, 443328, 498744, 552960, 554160, 591104, 623430, 664992, 738880, 831240, 886656, 997488, 1108320, 1182208, 1246860, 1329984, 1477760, 1662480, 1773312, 1994976, 2216640, 2364416, 2493720, 2659968, 2955520, 3324960, 3546624, 3989952, 4433280, 4728832, 4987440, 5319936, 5911040, 6649920, 7093248, 7979904, 8866560, 9457664, 9974880, 10639872, 11822080, 13299840, 14186496, 15959808, 17733120, 19949760, 21279744, 23644160, 26599680, 28372992, 31919616, 35466240, 39899520, 42559488, 47288320, 53199360, 63839232, 70932480, 79799040, 85118976, 106398720, 127678464, 141864960, 159598080, 212797440, 255356928, 319196160, 425594880, 638392320, 1276784640]

約数ペア:

[(1, 1276784640), (2, 638392320), (3, 425594880), (4, 319196160), (5, 255356928), (6, 212797440), (8, 159598080), (9, 141864960), (10, 127678464), (12, 106398720), (15, 85118976), (16, 79799040), (18, 70932480), (20, 63839232), (24, 53199360), (27, 47288320), (30, 42559488), (32, 39899520), (36, 35466240), (40, 31919616), (45, 28372992), (48, 26599680), (54, 23644160), (60, 21279744), (64, 19949760), (72, 17733120), (80, 15959808), (90, 14186496), (96, 13299840), (108, 11822080), (120, 10639872), (128, 9974880), (135, 9457664), (144, 8866560), (160, 7979904), (180, 7093248), (192, 6649920), (216, 5911040), (240, 5319936), (256, 4987440), (270, 4728832), (288, 4433280), (320, 3989952), (360, 3546624), (384, 3324960), (432, 2955520), (480, 2659968), (512, 2493720), (540, 2364416), (576, 2216640), (640, 1994976), (720, 1773312), (768, 1662480), (864, 1477760), (960, 1329984), (1024, 1246860), (1080, 1182208), (1152, 1108320), (1280, 997488), (1440, 886656), (1536, 831240), (1728, 738880), (1920, 664992), (2048, 623430), (2160, 591104), (2304, 554160), (2309, 552960), (2560, 498744), (2880, 443328), (3072, 415620), (3456, 369440), (3840, 332496), (4096, 311715), (4320, 295552), (4608, 277080), (4618, 276480), (5120, 249372), (5760, 221664), (6144, 207810), (6912, 184720), (6927, 184320), (7680, 166248), (8640, 147776), (9216, 138540), (9236, 138240), (10240, 124686), (11520, 110832), (11545, 110592), (12288, 103905), (13824, 92360), (13854, 92160), (15360, 83124), (17280, 73888), (18432, 69270), (18472, 69120), (20480, 62343), (20781, 61440), (23040, 55416), (23090, 55296), (27648, 46180), (27708, 46080), (30720, 41562), (34560, 36944), (34635, 36864)]