81879880320

素因数分解:

$2^7\times 3^7\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 1024

約数和(自身を含む): 343499443200

約数和(自身を除く): 261619562880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 61, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 122, 126, 128, 135, 137, 140, 144, 160, 162, 168, 180, 183, 189, 192, 210, 216, 224, 240, 243, 244, 252, 270, 274, 280, 288, 305, 315, 320, 324, 336, 360, 366, 378, 384, 405, 411, 420, 427, 432, 448, 480, 486, 488, 504, 540, 548, 549, 560, 567, 576, 610, 630, 640, 648, 672, 685, 720, 729, 732, 756, 810, 822, 840, 854, 864, 896, 915, 945, 959, 960, 972, 976, 1008, 1080, 1096, 1098, 1120, 1134, 1152, 1215, 1220, 1233, 1260, 1281, 1296, 1344, 1370, 1440, 1458, 1464, 1512, 1620, 1644, 1647, 1680, 1701, 1708, 1728, 1830, 1890, 1918, 1920, 1944, 1952, 2016, 2055, 2135, 2160, 2187, 2192, 2196, 2240, 2268, 2430, 2440, 2466, 2520, 2562, 2592, 2688, 2740, 2745, 2835, 2877, 2880, 2916, 2928, 3024, 3240, 3288, 3294, 3360, 3402, 3416, 3456, 3645, 3660, 3699, 3780, 3836, 3843, 3888, 3904, 4032, 4110, 4270, 4320, 4374, 4384, 4392, 4480, 4536, 4795, 4860, 4880, 4932, 4941, 5040, 5103, 5124, 5184, 5480, 5490, 5670, 5754, 5760, 5832, 5856, 6048, 6165, 6405, 6480, 6576, 6588, 6720, 6804, 6832, 7290, 7320, 7398, 7560, 7672, 7686, 7776, 7808, 8064, 8220, 8235, 8357, 8505, 8540, 8631, 8640, 8748, 8768, 8784, 9072, 9590, 9720, 9760, 9864, 9882, 10080, 10206, 10248, 10368, 10935, 10960, 10980, 11097, 11340, 11508, 11529, 11664, 11712, 12096, 12330, 12810, 12960, 13152, 13176, 13440, 13608, 13664, 14385, 14580, 14640, 14796, 14823, 15120, 15309, 15344, 15372, 15552, 16440, 16470, 16714, 17010, 17080, 17262, 17280, 17496, 17536, 17568, 18144, 18495, 19180, 19215, 19440, 19520, 19728, 19764, 20160, 20412, 20496, 21870, 21920, 21960, 22194, 22680, 23016, 23058, 23328, 23424, 24192, 24660, 24705, 25071, 25515, 25620, 25893, 25920, 26304, 26352, 27216, 27328, 28770, 29160, 29280, 29592, 29646, 30240, 30618, 30688, 30744, 31104, 32880, 32940, 33291, 33428, 34020, 34160, 34524, 34587, 34992, 35136, 36288, 36990, 38360, 38430, 38880, 39040, 39456, 39528, 40320, 40824, 40992, 41785, 43155, 43740, 43840, 43920, 44388, 44469, 45360, 46032, 46116, 46656, 49320, 49410, 50142, 51030, 51240, 51786, 51840, 52608, 52704, 54432, 54656, 55485, 57540, 57645, 58320, 58499, 58560, 59184, 59292, 60480, 61236, 61376, 61488, 65760, 65880, 66582, 66856, 68040, 68320, 69048, 69174, 69984, 70272, 72576, 73980, 74115, 75213, 76545, 76720, 76860, 77679, 77760, 78912, 79056, 81648, 81984, 83570, 86310, 87480, 87680, 87840, 88776, 88938, 90720, 92064, 92232, 93312, 98640, 98820, 99873, 100284, 102060, 102480, 103572, 103761, 105408, 108864, 110970, 115080, 115290, 116640, 116998, 117120, 118368, 118584, 120960, 122472, 122752, 122976, 125355, 129465, 131520, 131760, 133164, 133407, 133712, 136080, 136640, 138096, 138348, 139968, 147960, 148230, 150426, 153090, 153440, 153720, 155358, 155520, 157824, 158112, 163296, 163968, 166455, 167140, 172620, 172935, 174960, 175497, 175680, 177552, 177876, 181440, 184128, 184464, 197280, 197640, 199746, 200568, 204120, 204960, 207144, 207522, 210816, 217728, 221940, 222345, 225639, 230160, 230580, 233037, 233280, 233996, 236736, 237168, 244944, 245952, 250710, 258930, 263040, 263520, 266328, 266814, 267424, 272160, 273280, 276192, 276696, 279936, 292495, 295920, 296460, 299619, 300852, 306180, 306880, 307440, 310716, 311283, 316224, 326592, 332910, 334280, 345240, 345870, 349920, 350994, 351360, 355104, 355752, 362880, 368256, 368928, 376065, 388395, 394560, 395280, 399492, 401136, 408240, 409920, 414288, 415044, 443880, 444690, 451278, 460320, 461160, 466074, 466560, 467992, 473472, 474336, 489888, 491904, 499365, 501420, 517860, 518805, 526491, 527040, 532656, 533628, 534848, 544320, 552384, 553392, 584990, 591840, 592920, 599238, 601704, 612360, 613760, 614880, 621432, 622566, 632448, 653184, 665820, 667035, 668560, 676917, 690480, 691740, 699111, 699840, 701988, 710208, 711504, 737856, 752130, 776790, 789120, 790560, 798984, 802272, 816480, 819840, 828576, 830088, 877485, 887760, 889380, 902556, 920640, 922320, 932148, 933849, 935984, 948672, 979776, 998730, 1002840, 1035720, 1037610, 1052982, 1054080, 1065312, 1067256, 1069696, 1088640, 1104768, 1106784, 1128195, 1165185, 1169980, 1183680, 1185840, 1198476, 1203408, 1224720, 1229760, 1242864, 1245132, 1331640, 1334070, 1337120, 1353834, 1380960, 1383480, 1398222, 1399680, 1403976, 1420416, 1423008, 1475712, 1498095, 1504260, 1553580, 1556415, 1579473, 1581120, 1597968, 1604544, 1632960, 1657152, 1660176, 1754970, 1775520, 1778760, 1805112, 1841280, 1844640, 1864296, 1867698, 1871968, 1897344, 1959552, 1997460, 2005680, 2030751, 2071440, 2075220, 2097333, 2105964, 2130624, 2134512, 2213568, 2256390, 2330370, 2339960, 2367360, 2371680, 2396952, 2406816, 2449440, 2459520, 2485728, 2490264, 2632455, 2663280, 2668140, 2674240, 2707668, 2761920, 2766960, 2796444, 2807952, 2846016, 2996190, 3008520, 3107160, 3112830, 3158946, 3162240, 3195936, 3209088, 3265920, 3314304, 3320352, 3384585, 3495555, 3509940, 3551040, 3557520, 3610224, 3689280, 3728592, 3735396, 3743936, 3994920, 4011360, 4061502, 4142880, 4150440, 4194666, 4211928, 4261248, 4269024, 4427136, 4512780, 4660740, 4669245, 4679920, 4738419, 4743360, 4793904, 4813632, 4898880, 4971456, 4980528, 5264910, 5326560, 5336280, 5348480, 5415336, 5523840, 5533920, 5592888, 5615904, 5692032, 5992380, 6017040, 6092253, 6214320, 6225660, 6317892, 6391872, 6640704, 6769170, 6991110, 7019880, 7102080, 7115040, 7220448, 7378560, 7457184, 7470792, 7487872, 7897365, 7989840, 8022720, 8123004, 8285760, 8300880, 8389332, 8423856, 8538048, 9025560, 9321480, 9338490, 9359840, 9476838, 9486720, 9587808, 9627264, 9797760, 9942912, 9961056, 10153755, 10486665, 10529820, 10653120, 10672560, 10830672, 11067840, 11185776, 11231808, 11984760, 12034080, 12184506, 12428640, 12451320, 12635784, 12783744, 13281408, 13538340, 13982220, 14039760, 14215257, 14230080, 14440896, 14914368, 14941584, 15794730, 15979680, 16045440, 16246008, 16571520, 16601760, 16778664, 16847712, 17076096, 18051120, 18276759, 18642960, 18676980, 18719680, 18953676, 19175616, 19922112, 20307510, 20973330, 21059640, 21306240, 21345120, 21661344, 22135680, 22371552, 22463616, 23692095, 23969520, 24068160, 24369012, 24857280, 24902640, 25271568, 27076680, 27964440, 28079520, 28430514, 28460160, 28881792, 29828736, 29883168, 30461265, 31589460, 31959360, 32492016, 33203520, 33557328, 33695424, 36102240, 36553518, 37285920, 37353960, 37439360, 37907352, 38351232, 39844224, 40615020, 41946660, 42119280, 42645771, 42690240, 43322688, 44743104, 47384190, 47939040, 48136320, 48738024, 49714560, 49805280, 50543136, 54153360, 55928880, 56159040, 56861028, 59766336, 60922530, 63178920, 63918720, 64984032, 66407040, 67114656, 67390848, 71076285, 72204480, 73107036, 74571840, 74707920, 75814704, 81230040, 83893320, 84238560, 85291542, 85380480, 86645376, 89486208, 91383795, 94768380, 95878080, 97476048, 99610560, 101086272, 108306720, 111857760, 112318080, 113722056, 119532672, 121845060, 126357840, 127937313, 129968064, 134229312, 142152570, 144408960, 146214072, 149143680, 149415840, 151629408, 162460080, 167786640, 168477120, 170583084, 182767590, 189536760, 191756160, 194952096, 199221120, 202172544, 213228855, 216613440, 223715520, 227444112, 243690120, 252715680, 255874626, 259936128, 268458624, 284305140, 292428144, 298831680, 303258816, 324920160, 335573280, 336954240, 341166168, 365535180, 379073520, 389904192, 426457710, 433226880, 447431040, 454888224, 487380240, 505431360, 511749252, 568610280, 584856288, 597663360, 606517632, 639686565, 649840320, 671146560, 682332336, 731070360, 758147040, 779808384, 852915420, 909776448, 974760480, 1010862720, 1023498504, 1137220560, 1169712576, 1279373130, 1299680640, 1342293120, 1364664672, 1462140720, 1516294080, 1705830840, 1819552896, 1949520960, 2046997008, 2274441120, 2339425152, 2558746260, 2729329344, 2924281440, 3032588160, 3411661680, 3899041920, 4093994016, 4548882240, 5117492520, 5458658688, 5848562880, 6823323360, 8187988032, 9097764480, 10234985040, 11697125760, 13646646720, 16375976064, 20469970080, 27293293440, 40939940160, 81879880320]

約数ペア:

[(1, 81879880320), (2, 40939940160), (3, 27293293440), (4, 20469970080), (5, 16375976064), (6, 13646646720), (7, 11697125760), (8, 10234985040), (9, 9097764480), (10, 8187988032), (12, 6823323360), (14, 5848562880), (15, 5458658688), (16, 5117492520), (18, 4548882240), (20, 4093994016), (21, 3899041920), (24, 3411661680), (27, 3032588160), (28, 2924281440), (30, 2729329344), (32, 2558746260), (35, 2339425152), (36, 2274441120), (40, 2046997008), (42, 1949520960), (45, 1819552896), (48, 1705830840), (54, 1516294080), (56, 1462140720), (60, 1364664672), (61, 1342293120), (63, 1299680640), (64, 1279373130), (70, 1169712576), (72, 1137220560), (80, 1023498504), (81, 1010862720), (84, 974760480), (90, 909776448), (96, 852915420), (105, 779808384), (108, 758147040), (112, 731070360), (120, 682332336), (122, 671146560), (126, 649840320), (128, 639686565), (135, 606517632), (137, 597663360), (140, 584856288), (144, 568610280), (160, 511749252), (162, 505431360), (168, 487380240), (180, 454888224), (183, 447431040), (189, 433226880), (192, 426457710), (210, 389904192), (216, 379073520), (224, 365535180), (240, 341166168), (243, 336954240), (244, 335573280), (252, 324920160), (270, 303258816), (274, 298831680), (280, 292428144), (288, 284305140), (305, 268458624), (315, 259936128), (320, 255874626), (324, 252715680), (336, 243690120), (360, 227444112), (366, 223715520), (378, 216613440), (384, 213228855), (405, 202172544), (411, 199221120), (420, 194952096), (427, 191756160), (432, 189536760), (448, 182767590), (480, 170583084), (486, 168477120), (488, 167786640), (504, 162460080), (540, 151629408), (548, 149415840), (549, 149143680), (560, 146214072), (567, 144408960), (576, 142152570), (610, 134229312), (630, 129968064), (640, 127937313), (648, 126357840), (672, 121845060), (685, 119532672), (720, 113722056), (729, 112318080), (732, 111857760), (756, 108306720), (810, 101086272), (822, 99610560), (840, 97476048), (854, 95878080), (864, 94768380), (896, 91383795), (915, 89486208), (945, 86645376), (959, 85380480), (960, 85291542), (972, 84238560), (976, 83893320), (1008, 81230040), (1080, 75814704), (1096, 74707920), (1098, 74571840), (1120, 73107036), (1134, 72204480), (1152, 71076285), (1215, 67390848), (1220, 67114656), (1233, 66407040), (1260, 64984032), (1281, 63918720), (1296, 63178920), (1344, 60922530), (1370, 59766336), (1440, 56861028), (1458, 56159040), (1464, 55928880), (1512, 54153360), (1620, 50543136), (1644, 49805280), (1647, 49714560), (1680, 48738024), (1701, 48136320), (1708, 47939040), (1728, 47384190), (1830, 44743104), (1890, 43322688), (1918, 42690240), (1920, 42645771), (1944, 42119280), (1952, 41946660), (2016, 40615020), (2055, 39844224), (2135, 38351232), (2160, 37907352), (2187, 37439360), (2192, 37353960), (2196, 37285920), (2240, 36553518), (2268, 36102240), (2430, 33695424), (2440, 33557328), (2466, 33203520), (2520, 32492016), (2562, 31959360), (2592, 31589460), (2688, 30461265), (2740, 29883168), (2745, 29828736), (2835, 28881792), (2877, 28460160), (2880, 28430514), (2916, 28079520), (2928, 27964440), (3024, 27076680), (3240, 25271568), (3288, 24902640), (3294, 24857280), (3360, 24369012), (3402, 24068160), (3416, 23969520), (3456, 23692095), (3645, 22463616), (3660, 22371552), (3699, 22135680), (3780, 21661344), (3836, 21345120), (3843, 21306240), (3888, 21059640), (3904, 20973330), (4032, 20307510), (4110, 19922112), (4270, 19175616), (4320, 18953676), (4374, 18719680), (4384, 18676980), (4392, 18642960), (4480, 18276759), (4536, 18051120), (4795, 17076096), (4860, 16847712), (4880, 16778664), (4932, 16601760), (4941, 16571520), (5040, 16246008), (5103, 16045440), (5124, 15979680), (5184, 15794730), (5480, 14941584), (5490, 14914368), (5670, 14440896), (5754, 14230080), (5760, 14215257), (5832, 14039760), (5856, 13982220), (6048, 13538340), (6165, 13281408), (6405, 12783744), (6480, 12635784), (6576, 12451320), (6588, 12428640), (6720, 12184506), (6804, 12034080), (6832, 11984760), (7290, 11231808), (7320, 11185776), (7398, 11067840), (7560, 10830672), (7672, 10672560), (7686, 10653120), (7776, 10529820), (7808, 10486665), (8064, 10153755), (8220, 9961056), (8235, 9942912), (8357, 9797760), (8505, 9627264), (8540, 9587808), (8631, 9486720), (8640, 9476838), (8748, 9359840), (8768, 9338490), (8784, 9321480), (9072, 9025560), (9590, 8538048), (9720, 8423856), (9760, 8389332), (9864, 8300880), (9882, 8285760), (10080, 8123004), (10206, 8022720), (10248, 7989840), (10368, 7897365), (10935, 7487872), (10960, 7470792), (10980, 7457184), (11097, 7378560), (11340, 7220448), (11508, 7115040), (11529, 7102080), (11664, 7019880), (11712, 6991110), (12096, 6769170), (12330, 6640704), (12810, 6391872), (12960, 6317892), (13152, 6225660), (13176, 6214320), (13440, 6092253), (13608, 6017040), (13664, 5992380), (14385, 5692032), (14580, 5615904), (14640, 5592888), (14796, 5533920), (14823, 5523840), (15120, 5415336), (15309, 5348480), (15344, 5336280), (15372, 5326560), (15552, 5264910), (16440, 4980528), (16470, 4971456), (16714, 4898880), (17010, 4813632), (17080, 4793904), (17262, 4743360), (17280, 4738419), (17496, 4679920), (17536, 4669245), (17568, 4660740), (18144, 4512780), (18495, 4427136), (19180, 4269024), (19215, 4261248), (19440, 4211928), (19520, 4194666), (19728, 4150440), (19764, 4142880), (20160, 4061502), (20412, 4011360), (20496, 3994920), (21870, 3743936), (21920, 3735396), (21960, 3728592), (22194, 3689280), (22680, 3610224), (23016, 3557520), (23058, 3551040), (23328, 3509940), (23424, 3495555), (24192, 3384585), (24660, 3320352), (24705, 3314304), (25071, 3265920), (25515, 3209088), (25620, 3195936), (25893, 3162240), (25920, 3158946), (26304, 3112830), (26352, 3107160), (27216, 3008520), (27328, 2996190), (28770, 2846016), (29160, 2807952), (29280, 2796444), (29592, 2766960), (29646, 2761920), (30240, 2707668), (30618, 2674240), (30688, 2668140), (30744, 2663280), (31104, 2632455), (32880, 2490264), (32940, 2485728), (33291, 2459520), (33428, 2449440), (34020, 2406816), (34160, 2396952), (34524, 2371680), (34587, 2367360), (34992, 2339960), (35136, 2330370), (36288, 2256390), (36990, 2213568), (38360, 2134512), (38430, 2130624), (38880, 2105964), (39040, 2097333), (39456, 2075220), (39528, 2071440), (40320, 2030751), (40824, 2005680), (40992, 1997460), (41785, 1959552), (43155, 1897344), (43740, 1871968), (43840, 1867698), (43920, 1864296), (44388, 1844640), (44469, 1841280), (45360, 1805112), (46032, 1778760), (46116, 1775520), (46656, 1754970), (49320, 1660176), (49410, 1657152), (50142, 1632960), (51030, 1604544), (51240, 1597968), (51786, 1581120), (51840, 1579473), (52608, 1556415), (52704, 1553580), (54432, 1504260), (54656, 1498095), (55485, 1475712), (57540, 1423008), (57645, 1420416), (58320, 1403976), (58499, 1399680), (58560, 1398222), (59184, 1383480), (59292, 1380960), (60480, 1353834), (61236, 1337120), (61376, 1334070), (61488, 1331640), (65760, 1245132), (65880, 1242864), (66582, 1229760), (66856, 1224720), (68040, 1203408), (68320, 1198476), (69048, 1185840), (69174, 1183680), (69984, 1169980), (70272, 1165185), (72576, 1128195), (73980, 1106784), (74115, 1104768), (75213, 1088640), (76545, 1069696), (76720, 1067256), (76860, 1065312), (77679, 1054080), (77760, 1052982), (78912, 1037610), (79056, 1035720), (81648, 1002840), (81984, 998730), (83570, 979776), (86310, 948672), (87480, 935984), (87680, 933849), (87840, 932148), (88776, 922320), (88938, 920640), (90720, 902556), (92064, 889380), (92232, 887760), (93312, 877485), (98640, 830088), (98820, 828576), (99873, 819840), (100284, 816480), (102060, 802272), (102480, 798984), (103572, 790560), (103761, 789120), (105408, 776790), (108864, 752130), (110970, 737856), (115080, 711504), (115290, 710208), (116640, 701988), (116998, 699840), (117120, 699111), (118368, 691740), (118584, 690480), (120960, 676917), (122472, 668560), (122752, 667035), (122976, 665820), (125355, 653184), (129465, 632448), (131520, 622566), (131760, 621432), (133164, 614880), (133407, 613760), (133712, 612360), (136080, 601704), (136640, 599238), (138096, 592920), (138348, 591840), (139968, 584990), (147960, 553392), (148230, 552384), (150426, 544320), (153090, 534848), (153440, 533628), (153720, 532656), (155358, 527040), (155520, 526491), (157824, 518805), (158112, 517860), (163296, 501420), (163968, 499365), (166455, 491904), (167140, 489888), (172620, 474336), (172935, 473472), (174960, 467992), (175497, 466560), (175680, 466074), (177552, 461160), (177876, 460320), (181440, 451278), (184128, 444690), (184464, 443880), (197280, 415044), (197640, 414288), (199746, 409920), (200568, 408240), (204120, 401136), (204960, 399492), (207144, 395280), (207522, 394560), (210816, 388395), (217728, 376065), (221940, 368928), (222345, 368256), (225639, 362880), (230160, 355752), (230580, 355104), (233037, 351360), (233280, 350994), (233996, 349920), (236736, 345870), (237168, 345240), (244944, 334280), (245952, 332910), (250710, 326592), (258930, 316224), (263040, 311283), (263520, 310716), (266328, 307440), (266814, 306880), (267424, 306180), (272160, 300852), (273280, 299619), (276192, 296460), (276696, 295920), (279936, 292495)]