About the Number
820807680
2進数表記:110000111011001000100000000000
漢数字表記:八億二千八十万七千六百八十
素因数分解:
素因数の和:395
約数の個数: 384
約数和(自身を含む): 3283338240
約数和(自身を除く): 2462530560
約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 128, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 256, 264, 280, 308, 320, 330, 336, 347, 352, 384, 385, 420, 440, 448, 462, 480, 512, 528, 560, 616, 640, 660, 672, 694, 704, 768, 770, 840, 880, 896, 924, 960, 1024, 1041, 1056, 1120, 1155, 1232, 1280, 1320, 1344, 1388, 1408, 1536, 1540, 1680, 1735, 1760, 1792, 1848, 1920, 2048, 2082, 2112, 2240, 2310, 2429, 2464, 2560, 2640, 2688, 2776, 2816, 3072, 3080, 3360, 3470, 3520, 3584, 3696, 3817, 3840, 4164, 4224, 4480, 4620, 4858, 4928, 5120, 5205, 5280, 5376, 5552, 5632, 6144, 6160, 6720, 6940, 7040, 7168, 7287, 7392, 7634, 7680, 8328, 8448, 8960, 9240, 9716, 9856, 10240, 10410, 10560, 10752, 11104, 11264, 11451, 12145, 12320, 13440, 13880, 14080, 14336, 14574, 14784, 15268, 15360, 16656, 16896, 17920, 18480, 19085, 19432, 19712, 20820, 21120, 21504, 22208, 22528, 22902, 24290, 24640, 26719, 26880, 27760, 28160, 29148, 29568, 30536, 30720, 33312, 33792, 35840, 36435, 36960, 38170, 38864, 39424, 41640, 42240, 43008, 44416, 45804, 48580, 49280, 53438, 53760, 55520, 56320, 57255, 58296, 59136, 61072, 66624, 67584, 71680, 72870, 73920, 76340, 77728, 78848, 80157, 83280, 84480, 88832, 91608, 97160, 98560, 106876, 107520, 111040, 112640, 114510, 116592, 118272, 122144, 133248, 133595, 145740, 147840, 152680, 155456, 157696, 160314, 166560, 168960, 177664, 183216, 194320, 197120, 213752, 215040, 222080, 229020, 233184, 236544, 244288, 266496, 267190, 291480, 295680, 305360, 310912, 320628, 333120, 337920, 355328, 366432, 388640, 394240, 400785, 427504, 444160, 458040, 466368, 473088, 488576, 532992, 534380, 582960, 591360, 610720, 621824, 641256, 666240, 710656, 732864, 777280, 788480, 801570, 855008, 888320, 916080, 932736, 977152, 1065984, 1068760, 1165920, 1182720, 1221440, 1243648, 1282512, 1332480, 1465728, 1554560, 1603140, 1710016, 1776640, 1832160, 1865472, 1954304, 2131968, 2137520, 2331840, 2365440, 2442880, 2487296, 2565024, 2664960, 2931456, 3109120, 3206280, 3420032, 3553280, 3664320, 3730944, 3908608, 4275040, 4663680, 4885760, 4974592, 5130048, 5329920, 5862912, 6218240, 6412560, 6840064, 7328640, 7461888, 7817216, 8550080, 9327360, 9771520, 10260096, 10659840, 11725824, 12436480, 12825120, 13680128, 14657280, 14923776, 17100160, 18654720, 19543040, 20520192, 23451648, 24872960, 25650240, 27360256, 29314560, 34200320, 37309440, 39086080, 41040384, 51300480, 54720512, 58629120, 68400640, 74618880, 82080768, 102600960, 117258240, 136801280, 164161536, 205201920, 273602560, 410403840, 820807680]
約数ペア:
[(1, 820807680), (2, 410403840), (3, 273602560), (4, 205201920), (5, 164161536), (6, 136801280), (7, 117258240), (8, 102600960), (10, 82080768), (11, 74618880), (12, 68400640), (14, 58629120), (15, 54720512), (16, 51300480), (20, 41040384), (21, 39086080), (22, 37309440), (24, 34200320), (28, 29314560), (30, 27360256), (32, 25650240), (33, 24872960), (35, 23451648), (40, 20520192), (42, 19543040), (44, 18654720), (48, 17100160), (55, 14923776), (56, 14657280), (60, 13680128), (64, 12825120), (66, 12436480), (70, 11725824), (77, 10659840), (80, 10260096), (84, 9771520), (88, 9327360), (96, 8550080), (105, 7817216), (110, 7461888), (112, 7328640), (120, 6840064), (128, 6412560), (132, 6218240), (140, 5862912), (154, 5329920), (160, 5130048), (165, 4974592), (168, 4885760), (176, 4663680), (192, 4275040), (210, 3908608), (220, 3730944), (224, 3664320), (231, 3553280), (240, 3420032), (256, 3206280), (264, 3109120), (280, 2931456), (308, 2664960), (320, 2565024), (330, 2487296), (336, 2442880), (347, 2365440), (352, 2331840), (384, 2137520), (385, 2131968), (420, 1954304), (440, 1865472), (448, 1832160), (462, 1776640), (480, 1710016), (512, 1603140), (528, 1554560), (560, 1465728), (616, 1332480), (640, 1282512), (660, 1243648), (672, 1221440), (694, 1182720), (704, 1165920), (768, 1068760), (770, 1065984), (840, 977152), (880, 932736), (896, 916080), (924, 888320), (960, 855008), (1024, 801570), (1041, 788480), (1056, 777280), (1120, 732864), (1155, 710656), (1232, 666240), (1280, 641256), (1320, 621824), (1344, 610720), (1388, 591360), (1408, 582960), (1536, 534380), (1540, 532992), (1680, 488576), (1735, 473088), (1760, 466368), (1792, 458040), (1848, 444160), (1920, 427504), (2048, 400785), (2082, 394240), (2112, 388640), (2240, 366432), (2310, 355328), (2429, 337920), (2464, 333120), (2560, 320628), (2640, 310912), (2688, 305360), (2776, 295680), (2816, 291480), (3072, 267190), (3080, 266496), (3360, 244288), (3470, 236544), (3520, 233184), (3584, 229020), (3696, 222080), (3817, 215040), (3840, 213752), (4164, 197120), (4224, 194320), (4480, 183216), (4620, 177664), (4858, 168960), (4928, 166560), (5120, 160314), (5205, 157696), (5280, 155456), (5376, 152680), (5552, 147840), (5632, 145740), (6144, 133595), (6160, 133248), (6720, 122144), (6940, 118272), (7040, 116592), (7168, 114510), (7287, 112640), (7392, 111040), (7634, 107520), (7680, 106876), (8328, 98560), (8448, 97160), (8960, 91608), (9240, 88832), (9716, 84480), (9856, 83280), (10240, 80157), (10410, 78848), (10560, 77728), (10752, 76340), (11104, 73920), (11264, 72870), (11451, 71680), (12145, 67584), (12320, 66624), (13440, 61072), (13880, 59136), (14080, 58296), (14336, 57255), (14574, 56320), (14784, 55520), (15268, 53760), (15360, 53438), (16656, 49280), (16896, 48580), (17920, 45804), (18480, 44416), (19085, 43008), (19432, 42240), (19712, 41640), (20820, 39424), (21120, 38864), (21504, 38170), (22208, 36960), (22528, 36435), (22902, 35840), (24290, 33792), (24640, 33312), (26719, 30720), (26880, 30536), (27760, 29568), (28160, 29148)]このpageの処理時間: 0.009880304336547852 seconds