256415552640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{36821}}^1$

素因数の和:36893

約数の個数: 512

約数和(自身を含む): 1009570867200

約数和(自身を除く): 753155314560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 31, 32, 36, 39, 40, 45, 48, 52, 54, 60, 62, 64, 65, 72, 78, 80, 90, 93, 96, 104, 108, 117, 120, 124, 128, 130, 135, 144, 155, 156, 160, 180, 186, 192, 195, 208, 216, 234, 240, 248, 260, 270, 279, 288, 310, 312, 320, 351, 360, 372, 384, 390, 403, 416, 432, 465, 468, 480, 496, 520, 540, 558, 576, 585, 620, 624, 640, 702, 720, 744, 780, 806, 832, 837, 864, 930, 936, 960, 992, 1040, 1080, 1116, 1152, 1170, 1209, 1240, 1248, 1395, 1404, 1440, 1488, 1560, 1612, 1664, 1674, 1728, 1755, 1860, 1872, 1920, 1984, 2015, 2080, 2160, 2232, 2340, 2418, 2480, 2496, 2790, 2808, 2880, 2976, 3120, 3224, 3348, 3456, 3510, 3627, 3720, 3744, 3968, 4030, 4160, 4185, 4320, 4464, 4680, 4836, 4960, 4992, 5580, 5616, 5760, 5952, 6045, 6240, 6448, 6696, 7020, 7254, 7440, 7488, 8060, 8320, 8370, 8640, 8928, 9360, 9672, 9920, 10881, 11160, 11232, 11904, 12090, 12480, 12896, 13392, 14040, 14508, 14880, 14976, 16120, 16740, 17280, 17856, 18135, 18720, 19344, 19840, 21762, 22320, 22464, 24180, 24960, 25792, 26784, 28080, 29016, 29760, 32240, 33480, 35712, 36270, 36821, 37440, 38688, 43524, 44640, 44928, 48360, 51584, 53568, 54405, 56160, 58032, 59520, 64480, 66960, 72540, 73642, 74880, 77376, 87048, 89280, 96720, 107136, 108810, 110463, 112320, 116064, 128960, 133920, 145080, 147284, 154752, 174096, 178560, 184105, 193440, 217620, 220926, 224640, 232128, 257920, 267840, 290160, 294568, 331389, 348192, 368210, 386880, 435240, 441852, 464256, 478673, 535680, 552315, 580320, 589136, 662778, 696384, 736420, 773760, 870480, 883704, 957346, 994167, 1104630, 1141451, 1160640, 1178272, 1325556, 1392768, 1436019, 1472840, 1656945, 1740960, 1767408, 1914692, 1988334, 2209260, 2282902, 2321280, 2356544, 2393365, 2651112, 2872038, 2945680, 3313890, 3424353, 3481920, 3534816, 3829384, 3976668, 4308057, 4418520, 4565804, 4713088, 4786730, 4970835, 5302224, 5707255, 5744076, 5891360, 6627780, 6848706, 6963840, 7069632, 7180095, 7658768, 7953336, 8616114, 8837040, 9131608, 9573460, 9941670, 10273059, 10604448, 11414510, 11488152, 11782720, 12924171, 13255560, 13697412, 14139264, 14360190, 14838863, 15317536, 15906672, 17121765, 17232228, 17674080, 18263216, 19146920, 19883340, 20546118, 21208896, 21540285, 22829020, 22976304, 23565440, 25848342, 26511120, 27394824, 28720380, 29677726, 30635072, 30819177, 31813344, 34243530, 34464456, 35348160, 36526432, 38293840, 39766680, 41092236, 42417792, 43080570, 44516589, 45658040, 45952608, 51365295, 51696684, 53022240, 54789648, 57440760, 59355452, 61270144, 61638354, 63626688, 64620855, 68487060, 68928912, 70696320, 73052864, 74194315, 76587680, 79533360, 82184472, 86161140, 89033178, 91316080, 91905216, 102730590, 103393368, 106044480, 109579296, 114881520, 118710904, 123276708, 127253376, 129241710, 133549767, 136974120, 137857824, 146105728, 148388630, 153175360, 154095885, 159066720, 164368944, 172322280, 178066356, 182632160, 183810432, 205461180, 206786736, 212088960, 219158592, 222582945, 229763040, 237421808, 246553416, 258483420, 267099534, 273948240, 275715648, 296777260, 306350720, 308191770, 318133440, 328737888, 344644560, 356132712, 365264320, 400649301, 410922360, 413573472, 438317184, 445165890, 459526080, 474843616, 493106832, 516966840, 534199068, 547896480, 551431296, 593554520, 616383540, 636266880, 657475776, 667748835, 689289120, 712265424, 730528640, 801298602, 821844720, 827146944, 890331780, 919052160, 949687232, 986213664, 1033933680, 1068398136, 1095792960, 1187109040, 1232767080, 1314951552, 1335497670, 1378578240, 1424530848, 1602597204, 1643689440, 1654293888, 1780663560, 1899374464, 1972427328, 2003246505, 2067867360, 2136796272, 2191585920, 2374218080, 2465534160, 2670995340, 2757156480, 2849061696, 3205194408, 3287378880, 3561327120, 3944854656, 4006493010, 4135734720, 4273592544, 4748436160, 4931068320, 5341990680, 5698123392, 6410388816, 6574757760, 7122654240, 8012986020, 8271469440, 8547185088, 9496872320, 9862136640, 10683981360, 12820777632, 14245308480, 16025972040, 17094370176, 19724273280, 21367962720, 25641555264, 28490616960, 32051944080, 42735925440, 51283110528, 64103888160, 85471850880, 128207776320, 256415552640]

約数ペア:

[(1, 256415552640), (2, 128207776320), (3, 85471850880), (4, 64103888160), (5, 51283110528), (6, 42735925440), (8, 32051944080), (9, 28490616960), (10, 25641555264), (12, 21367962720), (13, 19724273280), (15, 17094370176), (16, 16025972040), (18, 14245308480), (20, 12820777632), (24, 10683981360), (26, 9862136640), (27, 9496872320), (30, 8547185088), (31, 8271469440), (32, 8012986020), (36, 7122654240), (39, 6574757760), (40, 6410388816), (45, 5698123392), (48, 5341990680), (52, 4931068320), (54, 4748436160), (60, 4273592544), (62, 4135734720), (64, 4006493010), (65, 3944854656), (72, 3561327120), (78, 3287378880), (80, 3205194408), (90, 2849061696), (93, 2757156480), (96, 2670995340), (104, 2465534160), (108, 2374218080), (117, 2191585920), (120, 2136796272), (124, 2067867360), (128, 2003246505), (130, 1972427328), (135, 1899374464), (144, 1780663560), (155, 1654293888), (156, 1643689440), (160, 1602597204), (180, 1424530848), (186, 1378578240), (192, 1335497670), (195, 1314951552), (208, 1232767080), (216, 1187109040), (234, 1095792960), (240, 1068398136), (248, 1033933680), (260, 986213664), (270, 949687232), (279, 919052160), (288, 890331780), (310, 827146944), (312, 821844720), (320, 801298602), (351, 730528640), (360, 712265424), (372, 689289120), (384, 667748835), (390, 657475776), (403, 636266880), (416, 616383540), (432, 593554520), (465, 551431296), (468, 547896480), (480, 534199068), (496, 516966840), (520, 493106832), (540, 474843616), (558, 459526080), (576, 445165890), (585, 438317184), (620, 413573472), (624, 410922360), (640, 400649301), (702, 365264320), (720, 356132712), (744, 344644560), (780, 328737888), (806, 318133440), (832, 308191770), (837, 306350720), (864, 296777260), (930, 275715648), (936, 273948240), (960, 267099534), (992, 258483420), (1040, 246553416), (1080, 237421808), (1116, 229763040), (1152, 222582945), (1170, 219158592), (1209, 212088960), (1240, 206786736), (1248, 205461180), (1395, 183810432), (1404, 182632160), (1440, 178066356), (1488, 172322280), (1560, 164368944), (1612, 159066720), (1664, 154095885), (1674, 153175360), (1728, 148388630), (1755, 146105728), (1860, 137857824), (1872, 136974120), (1920, 133549767), (1984, 129241710), (2015, 127253376), (2080, 123276708), (2160, 118710904), (2232, 114881520), (2340, 109579296), (2418, 106044480), (2480, 103393368), (2496, 102730590), (2790, 91905216), (2808, 91316080), (2880, 89033178), (2976, 86161140), (3120, 82184472), (3224, 79533360), (3348, 76587680), (3456, 74194315), (3510, 73052864), (3627, 70696320), (3720, 68928912), (3744, 68487060), (3968, 64620855), (4030, 63626688), (4160, 61638354), (4185, 61270144), (4320, 59355452), (4464, 57440760), (4680, 54789648), (4836, 53022240), (4960, 51696684), (4992, 51365295), (5580, 45952608), (5616, 45658040), (5760, 44516589), (5952, 43080570), (6045, 42417792), (6240, 41092236), (6448, 39766680), (6696, 38293840), (7020, 36526432), (7254, 35348160), (7440, 34464456), (7488, 34243530), (8060, 31813344), (8320, 30819177), (8370, 30635072), (8640, 29677726), (8928, 28720380), (9360, 27394824), (9672, 26511120), (9920, 25848342), (10881, 23565440), (11160, 22976304), (11232, 22829020), (11904, 21540285), (12090, 21208896), (12480, 20546118), (12896, 19883340), (13392, 19146920), (14040, 18263216), (14508, 17674080), (14880, 17232228), (14976, 17121765), (16120, 15906672), (16740, 15317536), (17280, 14838863), (17856, 14360190), (18135, 14139264), (18720, 13697412), (19344, 13255560), (19840, 12924171), (21762, 11782720), (22320, 11488152), (22464, 11414510), (24180, 10604448), (24960, 10273059), (25792, 9941670), (26784, 9573460), (28080, 9131608), (29016, 8837040), (29760, 8616114), (32240, 7953336), (33480, 7658768), (35712, 7180095), (36270, 7069632), (36821, 6963840), (37440, 6848706), (38688, 6627780), (43524, 5891360), (44640, 5744076), (44928, 5707255), (48360, 5302224), (51584, 4970835), (53568, 4786730), (54405, 4713088), (56160, 4565804), (58032, 4418520), (59520, 4308057), (64480, 3976668), (66960, 3829384), (72540, 3534816), (73642, 3481920), (74880, 3424353), (77376, 3313890), (87048, 2945680), (89280, 2872038), (96720, 2651112), (107136, 2393365), (108810, 2356544), (110463, 2321280), (112320, 2282902), (116064, 2209260), (128960, 1988334), (133920, 1914692), (145080, 1767408), (147284, 1740960), (154752, 1656945), (174096, 1472840), (178560, 1436019), (184105, 1392768), (193440, 1325556), (217620, 1178272), (220926, 1160640), (224640, 1141451), (232128, 1104630), (257920, 994167), (267840, 957346), (290160, 883704), (294568, 870480), (331389, 773760), (348192, 736420), (368210, 696384), (386880, 662778), (435240, 589136), (441852, 580320), (464256, 552315), (478673, 535680)]