256679331840

素因数分解:

$2^{11}\times 3^4\times 5^1\times {\mathrm{309461}}^1$

素因数の和:309500

約数の個数: 240

約数和(自身を含む): 920021242140

約数和(自身を除く): 663341910300

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, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1024, 1080, 1152, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 2048, 2160, 2304, 2560, 2592, 2880, 3072, 3240, 3456, 3840, 4320, 4608, 5120, 5184, 5760, 6144, 6480, 6912, 7680, 8640, 9216, 10240, 10368, 11520, 12960, 13824, 15360, 17280, 18432, 20736, 23040, 25920, 27648, 30720, 34560, 41472, 46080, 51840, 55296, 69120, 82944, 92160, 103680, 138240, 165888, 207360, 276480, 309461, 414720, 618922, 829440, 928383, 1237844, 1547305, 1856766, 2475688, 2785149, 3094610, 3713532, 4641915, 4951376, 5570298, 6189220, 7427064, 8355447, 9283830, 9902752, 11140596, 12378440, 13925745, 14854128, 16710894, 18567660, 19805504, 22281192, 24756880, 25066341, 27851490, 29708256, 33421788, 37135320, 39611008, 41777235, 44562384, 49513760, 50132682, 55702980, 59416512, 66843576, 74270640, 79222016, 83554470, 89124768, 99027520, 100265364, 111405960, 118833024, 125331705, 133687152, 148541280, 158444032, 167108940, 178249536, 198055040, 200530728, 222811920, 237666048, 250663410, 267374304, 297082560, 316888064, 334217880, 356499072, 396110080, 401061456, 445623840, 475332096, 501326820, 534748608, 594165120, 633776128, 668435760, 712998144, 792220160, 802122912, 891247680, 950664192, 1002653640, 1069497216, 1188330240, 1336871520, 1425996288, 1584440320, 1604245824, 1782495360, 1901328384, 2005307280, 2138994432, 2376660480, 2673743040, 2851992576, 3168880640, 3208491648, 3564990720, 4010614560, 4277988864, 4753320960, 5347486080, 5703985152, 6416983296, 7129981440, 8021229120, 8555977728, 9506641920, 10694972160, 12833966592, 14259962880, 16042458240, 17111955456, 21389944320, 25667933184, 28519925760, 32084916480, 42779888640, 51335866368, 64169832960, 85559777280, 128339665920, 256679331840]

約数ペア:

[(1, 256679331840), (2, 128339665920), (3, 85559777280), (4, 64169832960), (5, 51335866368), (6, 42779888640), (8, 32084916480), (9, 28519925760), (10, 25667933184), (12, 21389944320), (15, 17111955456), (16, 16042458240), (18, 14259962880), (20, 12833966592), (24, 10694972160), (27, 9506641920), (30, 8555977728), (32, 8021229120), (36, 7129981440), (40, 6416983296), (45, 5703985152), (48, 5347486080), (54, 4753320960), (60, 4277988864), (64, 4010614560), (72, 3564990720), (80, 3208491648), (81, 3168880640), (90, 2851992576), (96, 2673743040), (108, 2376660480), (120, 2138994432), (128, 2005307280), (135, 1901328384), (144, 1782495360), (160, 1604245824), (162, 1584440320), (180, 1425996288), (192, 1336871520), (216, 1188330240), (240, 1069497216), (256, 1002653640), (270, 950664192), (288, 891247680), (320, 802122912), (324, 792220160), (360, 712998144), (384, 668435760), (405, 633776128), (432, 594165120), (480, 534748608), (512, 501326820), (540, 475332096), (576, 445623840), (640, 401061456), (648, 396110080), (720, 356499072), (768, 334217880), (810, 316888064), (864, 297082560), (960, 267374304), (1024, 250663410), (1080, 237666048), (1152, 222811920), (1280, 200530728), (1296, 198055040), (1440, 178249536), (1536, 167108940), (1620, 158444032), (1728, 148541280), (1920, 133687152), (2048, 125331705), (2160, 118833024), (2304, 111405960), (2560, 100265364), (2592, 99027520), (2880, 89124768), (3072, 83554470), (3240, 79222016), (3456, 74270640), (3840, 66843576), (4320, 59416512), (4608, 55702980), (5120, 50132682), (5184, 49513760), (5760, 44562384), (6144, 41777235), (6480, 39611008), (6912, 37135320), (7680, 33421788), (8640, 29708256), (9216, 27851490), (10240, 25066341), (10368, 24756880), (11520, 22281192), (12960, 19805504), (13824, 18567660), (15360, 16710894), (17280, 14854128), (18432, 13925745), (20736, 12378440), (23040, 11140596), (25920, 9902752), (27648, 9283830), (30720, 8355447), (34560, 7427064), (41472, 6189220), (46080, 5570298), (51840, 4951376), (55296, 4641915), (69120, 3713532), (82944, 3094610), (92160, 2785149), (103680, 2475688), (138240, 1856766), (165888, 1547305), (207360, 1237844), (276480, 928383), (309461, 829440), (414720, 618922)]