20390123520

素因数分解:

$2^{11}\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 960

約数和(自身を含む): 82577214720

約数和(自身を除く): 62187091200

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, 61, 62, 64, 65, 72, 78, 80, 81, 90, 93, 96, 104, 108, 117, 120, 122, 124, 128, 130, 135, 144, 155, 156, 160, 162, 180, 183, 186, 192, 195, 208, 216, 234, 240, 244, 248, 256, 260, 270, 279, 288, 305, 310, 312, 320, 324, 351, 360, 366, 372, 384, 390, 403, 405, 416, 432, 465, 468, 480, 488, 496, 512, 520, 540, 549, 558, 576, 585, 610, 620, 624, 640, 648, 702, 720, 732, 744, 768, 780, 793, 806, 810, 832, 837, 864, 915, 930, 936, 960, 976, 992, 1024, 1040, 1053, 1080, 1098, 1116, 1152, 1170, 1209, 1220, 1240, 1248, 1280, 1296, 1395, 1404, 1440, 1464, 1488, 1536, 1560, 1586, 1612, 1620, 1647, 1664, 1674, 1728, 1755, 1830, 1860, 1872, 1891, 1920, 1952, 1984, 2015, 2048, 2080, 2106, 2160, 2196, 2232, 2304, 2340, 2379, 2418, 2440, 2480, 2496, 2511, 2560, 2592, 2745, 2790, 2808, 2880, 2928, 2976, 3072, 3120, 3172, 3224, 3240, 3294, 3328, 3348, 3456, 3510, 3627, 3660, 3720, 3744, 3782, 3840, 3904, 3965, 3968, 4030, 4160, 4185, 4212, 4320, 4392, 4464, 4608, 4680, 4758, 4836, 4880, 4941, 4960, 4992, 5022, 5120, 5184, 5265, 5490, 5580, 5616, 5673, 5760, 5856, 5952, 6045, 6144, 6240, 6344, 6448, 6480, 6588, 6656, 6696, 6912, 7020, 7137, 7254, 7320, 7440, 7488, 7564, 7680, 7808, 7930, 7936, 8060, 8235, 8320, 8370, 8424, 8640, 8784, 8928, 9216, 9360, 9455, 9516, 9672, 9760, 9882, 9920, 9984, 10044, 10240, 10368, 10530, 10881, 10980, 11160, 11232, 11346, 11520, 11712, 11895, 11904, 12090, 12480, 12555, 12688, 12896, 12960, 13176, 13312, 13392, 13824, 14040, 14274, 14508, 14640, 14880, 14976, 15128, 15360, 15616, 15860, 15872, 16120, 16470, 16640, 16740, 16848, 17019, 17280, 17568, 17856, 18135, 18432, 18720, 18910, 19032, 19344, 19520, 19764, 19840, 19968, 20088, 20736, 21060, 21411, 21762, 21960, 22320, 22464, 22692, 23040, 23424, 23790, 23808, 24180, 24583, 24705, 24960, 25110, 25376, 25792, 25920, 26352, 26624, 26784, 27648, 28080, 28365, 28548, 29016, 29280, 29760, 29952, 30256, 30720, 31232, 31720, 31744, 32240, 32643, 32940, 33280, 33480, 33696, 34038, 34560, 35136, 35685, 35712, 36270, 37440, 37820, 38064, 38688, 39040, 39528, 39680, 39936, 40176, 41472, 42120, 42822, 43524, 43920, 44640, 44928, 45384, 46080, 46848, 47580, 47616, 48360, 49166, 49410, 49920, 50220, 50752, 51057, 51584, 51840, 52704, 53568, 54405, 55296, 56160, 56730, 57096, 58032, 58560, 59520, 59904, 60512, 62464, 63440, 63488, 64233, 64480, 65286, 65880, 66560, 66960, 67392, 68076, 69120, 70272, 71370, 71424, 72540, 73749, 74880, 75640, 76128, 77376, 78080, 79056, 79360, 79872, 80352, 82944, 84240, 85095, 85644, 87048, 87840, 89280, 89856, 90768, 92160, 93696, 95160, 95232, 96720, 98332, 98820, 99840, 100440, 101504, 102114, 103168, 103680, 105408, 107055, 107136, 108810, 112320, 113460, 114192, 116064, 117120, 119040, 119808, 121024, 122915, 124928, 126880, 128466, 128960, 130572, 131760, 133120, 133920, 134784, 136152, 138240, 140544, 142740, 142848, 145080, 147498, 149760, 151280, 152256, 153171, 154752, 156160, 158112, 158720, 160704, 163215, 165888, 168480, 170190, 171288, 174096, 175680, 178560, 179712, 181536, 187392, 190320, 190464, 193440, 196664, 197640, 199680, 200880, 203008, 204228, 206336, 207360, 210816, 214110, 214272, 217620, 221247, 224640, 226920, 228384, 232128, 234240, 238080, 239616, 242048, 245830, 253760, 255285, 256932, 257920, 261144, 263520, 267840, 269568, 272304, 276480, 281088, 285480, 285696, 290160, 294996, 299520, 302560, 304512, 306342, 309504, 312320, 316224, 317440, 321165, 321408, 326430, 336960, 340380, 342576, 348192, 351360, 357120, 359424, 363072, 368745, 374784, 380640, 386880, 393328, 395280, 399360, 401760, 406016, 408456, 412672, 414720, 421632, 428220, 428544, 435240, 442494, 449280, 453840, 456768, 464256, 468480, 476160, 484096, 491660, 507520, 510570, 513864, 515840, 522288, 527040, 535680, 539136, 544608, 562176, 570960, 571392, 580320, 589992, 599040, 605120, 609024, 612684, 619008, 624640, 632448, 642330, 642816, 652860, 663741, 673920, 680760, 685152, 696384, 702720, 714240, 718848, 726144, 737490, 761280, 765855, 773760, 786656, 790560, 803520, 812032, 816912, 825344, 829440, 843264, 856440, 857088, 870480, 884988, 898560, 907680, 913536, 928512, 936960, 952320, 968192, 983320, 1015040, 1021140, 1027728, 1031680, 1044576, 1054080, 1071360, 1078272, 1089216, 1106235, 1124352, 1141920, 1160640, 1179984, 1198080, 1210240, 1218048, 1225368, 1238016, 1264896, 1284660, 1285632, 1305720, 1327482, 1347840, 1361520, 1370304, 1392768, 1405440, 1428480, 1452288, 1474980, 1522560, 1531710, 1547520, 1573312, 1581120, 1607040, 1624064, 1633824, 1686528, 1712880, 1714176, 1740960, 1769976, 1797120, 1815360, 1827072, 1857024, 1873920, 1936384, 1966640, 1991223, 2030080, 2042280, 2055456, 2063360, 2089152, 2108160, 2142720, 2156544, 2178432, 2212470, 2283840, 2321280, 2359968, 2420480, 2436096, 2450736, 2476032, 2529792, 2569320, 2571264, 2611440, 2654964, 2695680, 2723040, 2740608, 2785536, 2810880, 2856960, 2904576, 2949960, 3045120, 3063420, 3095040, 3146624, 3162240, 3214080, 3267648, 3318705, 3373056, 3425760, 3481920, 3539952, 3594240, 3630720, 3654144, 3714048, 3872768, 3933280, 3982446, 4060160, 4084560, 4110912, 4126720, 4178304, 4216320, 4285440, 4356864, 4424940, 4567680, 4642560, 4719936, 4840960, 4872192, 4901472, 5059584, 5138640, 5142528, 5222880, 5309928, 5391360, 5446080, 5481216, 5571072, 5621760, 5809152, 5899920, 6090240, 6126840, 6190080, 6293248, 6324480, 6428160, 6535296, 6637410, 6851520, 6963840, 7079904, 7261440, 7308288, 7428096, 7866560, 7964892, 8120320, 8169120, 8221824, 8356608, 8432640, 8570880, 8713728, 8849880, 9135360, 9285120, 9439872, 9681920, 9802944, 9956115, 10119168, 10277280, 10445760, 10619856, 10782720, 10892160, 10962432, 11142144, 11618304, 11799840, 12180480, 12253680, 12380160, 12586496, 12648960, 12856320, 13070592, 13274820, 13703040, 13927680, 14159808, 14522880, 14616576, 15733120, 15929784, 16338240, 16443648, 16713216, 16865280, 17427456, 17699760, 18270720, 18570240, 18879744, 19363840, 19605888, 19912230, 20554560, 20891520, 21239712, 21784320, 21924864, 22284288, 23599680, 24360960, 24507360, 25172992, 25297920, 25712640, 26141184, 26549640, 27406080, 27855360, 28319616, 29045760, 31466240, 31859568, 32676480, 32887296, 33426432, 34854912, 35399520, 36541440, 37140480, 37759488, 39211776, 39824460, 41109120, 41783040, 42479424, 43568640, 43849728, 47199360, 49014720, 50345984, 50595840, 52282368, 53099280, 54812160, 55710720, 56639232, 58091520, 62932480, 63719136, 65352960, 65774592, 66852864, 70799040, 73082880, 75518976, 78423552, 79648920, 82218240, 83566080, 84958848, 87137280, 94398720, 98029440, 104564736, 106198560, 109624320, 111421440, 113278464, 125864960, 127438272, 130705920, 131549184, 141598080, 151037952, 156847104, 159297840, 164436480, 167132160, 169917696, 174274560, 188797440, 196058880, 212397120, 219248640, 226556928, 251729920, 254876544, 261411840, 283196160, 313694208, 318595680, 328872960, 334264320, 339835392, 377594880, 392117760, 424794240, 453113856, 509753088, 522823680, 566392320, 637191360, 657745920, 679670784, 755189760, 784235520, 849588480, 1019506176, 1132784640, 1274382720, 1359341568, 1568471040, 1699176960, 2039012352, 2265569280, 2548765440, 3398353920, 4078024704, 5097530880, 6796707840, 10195061760, 20390123520]

約数ペア:

[(1, 20390123520), (2, 10195061760), (3, 6796707840), (4, 5097530880), (5, 4078024704), (6, 3398353920), (8, 2548765440), (9, 2265569280), (10, 2039012352), (12, 1699176960), (13, 1568471040), (15, 1359341568), (16, 1274382720), (18, 1132784640), (20, 1019506176), (24, 849588480), (26, 784235520), (27, 755189760), (30, 679670784), (31, 657745920), (32, 637191360), (36, 566392320), (39, 522823680), (40, 509753088), (45, 453113856), (48, 424794240), (52, 392117760), (54, 377594880), (60, 339835392), (61, 334264320), (62, 328872960), (64, 318595680), (65, 313694208), (72, 283196160), (78, 261411840), (80, 254876544), (81, 251729920), (90, 226556928), (93, 219248640), (96, 212397120), (104, 196058880), (108, 188797440), (117, 174274560), (120, 169917696), (122, 167132160), (124, 164436480), (128, 159297840), (130, 156847104), (135, 151037952), (144, 141598080), (155, 131549184), (156, 130705920), (160, 127438272), (162, 125864960), (180, 113278464), (183, 111421440), (186, 109624320), (192, 106198560), (195, 104564736), (208, 98029440), (216, 94398720), (234, 87137280), (240, 84958848), (244, 83566080), (248, 82218240), (256, 79648920), (260, 78423552), (270, 75518976), (279, 73082880), (288, 70799040), (305, 66852864), (310, 65774592), (312, 65352960), (320, 63719136), (324, 62932480), (351, 58091520), (360, 56639232), (366, 55710720), (372, 54812160), (384, 53099280), (390, 52282368), (403, 50595840), (405, 50345984), (416, 49014720), (432, 47199360), (465, 43849728), (468, 43568640), (480, 42479424), (488, 41783040), (496, 41109120), (512, 39824460), (520, 39211776), (540, 37759488), (549, 37140480), (558, 36541440), (576, 35399520), (585, 34854912), (610, 33426432), (620, 32887296), (624, 32676480), (640, 31859568), (648, 31466240), (702, 29045760), (720, 28319616), (732, 27855360), (744, 27406080), (768, 26549640), (780, 26141184), (793, 25712640), (806, 25297920), (810, 25172992), (832, 24507360), (837, 24360960), (864, 23599680), (915, 22284288), (930, 21924864), (936, 21784320), (960, 21239712), (976, 20891520), (992, 20554560), (1024, 19912230), (1040, 19605888), (1053, 19363840), (1080, 18879744), (1098, 18570240), (1116, 18270720), (1152, 17699760), (1170, 17427456), (1209, 16865280), (1220, 16713216), (1240, 16443648), (1248, 16338240), (1280, 15929784), (1296, 15733120), (1395, 14616576), (1404, 14522880), (1440, 14159808), (1464, 13927680), (1488, 13703040), (1536, 13274820), (1560, 13070592), (1586, 12856320), (1612, 12648960), (1620, 12586496), (1647, 12380160), (1664, 12253680), (1674, 12180480), (1728, 11799840), (1755, 11618304), (1830, 11142144), (1860, 10962432), (1872, 10892160), (1891, 10782720), (1920, 10619856), (1952, 10445760), (1984, 10277280), (2015, 10119168), (2048, 9956115), (2080, 9802944), (2106, 9681920), (2160, 9439872), (2196, 9285120), (2232, 9135360), (2304, 8849880), (2340, 8713728), (2379, 8570880), (2418, 8432640), (2440, 8356608), (2480, 8221824), (2496, 8169120), (2511, 8120320), (2560, 7964892), (2592, 7866560), (2745, 7428096), (2790, 7308288), (2808, 7261440), (2880, 7079904), (2928, 6963840), (2976, 6851520), (3072, 6637410), (3120, 6535296), (3172, 6428160), (3224, 6324480), (3240, 6293248), (3294, 6190080), (3328, 6126840), (3348, 6090240), (3456, 5899920), (3510, 5809152), (3627, 5621760), (3660, 5571072), (3720, 5481216), (3744, 5446080), (3782, 5391360), (3840, 5309928), (3904, 5222880), (3965, 5142528), (3968, 5138640), (4030, 5059584), (4160, 4901472), (4185, 4872192), (4212, 4840960), (4320, 4719936), (4392, 4642560), (4464, 4567680), (4608, 4424940), (4680, 4356864), (4758, 4285440), (4836, 4216320), (4880, 4178304), (4941, 4126720), (4960, 4110912), (4992, 4084560), (5022, 4060160), (5120, 3982446), (5184, 3933280), (5265, 3872768), (5490, 3714048), (5580, 3654144), (5616, 3630720), (5673, 3594240), (5760, 3539952), (5856, 3481920), (5952, 3425760), (6045, 3373056), (6144, 3318705), (6240, 3267648), (6344, 3214080), (6448, 3162240), (6480, 3146624), (6588, 3095040), (6656, 3063420), (6696, 3045120), (6912, 2949960), (7020, 2904576), (7137, 2856960), (7254, 2810880), (7320, 2785536), (7440, 2740608), (7488, 2723040), (7564, 2695680), (7680, 2654964), (7808, 2611440), (7930, 2571264), (7936, 2569320), (8060, 2529792), (8235, 2476032), (8320, 2450736), (8370, 2436096), (8424, 2420480), (8640, 2359968), (8784, 2321280), (8928, 2283840), (9216, 2212470), (9360, 2178432), (9455, 2156544), (9516, 2142720), (9672, 2108160), (9760, 2089152), (9882, 2063360), (9920, 2055456), (9984, 2042280), (10044, 2030080), (10240, 1991223), (10368, 1966640), (10530, 1936384), (10881, 1873920), (10980, 1857024), (11160, 1827072), (11232, 1815360), (11346, 1797120), (11520, 1769976), (11712, 1740960), (11895, 1714176), (11904, 1712880), (12090, 1686528), (12480, 1633824), (12555, 1624064), (12688, 1607040), (12896, 1581120), (12960, 1573312), (13176, 1547520), (13312, 1531710), (13392, 1522560), (13824, 1474980), (14040, 1452288), (14274, 1428480), (14508, 1405440), (14640, 1392768), (14880, 1370304), (14976, 1361520), (15128, 1347840), (15360, 1327482), (15616, 1305720), (15860, 1285632), (15872, 1284660), (16120, 1264896), (16470, 1238016), (16640, 1225368), (16740, 1218048), (16848, 1210240), (17019, 1198080), (17280, 1179984), (17568, 1160640), (17856, 1141920), (18135, 1124352), (18432, 1106235), (18720, 1089216), (18910, 1078272), (19032, 1071360), (19344, 1054080), (19520, 1044576), (19764, 1031680), (19840, 1027728), (19968, 1021140), (20088, 1015040), (20736, 983320), (21060, 968192), (21411, 952320), (21762, 936960), (21960, 928512), (22320, 913536), (22464, 907680), (22692, 898560), (23040, 884988), (23424, 870480), (23790, 857088), (23808, 856440), (24180, 843264), (24583, 829440), (24705, 825344), (24960, 816912), (25110, 812032), (25376, 803520), (25792, 790560), (25920, 786656), (26352, 773760), (26624, 765855), (26784, 761280), (27648, 737490), (28080, 726144), (28365, 718848), (28548, 714240), (29016, 702720), (29280, 696384), (29760, 685152), (29952, 680760), (30256, 673920), (30720, 663741), (31232, 652860), (31720, 642816), (31744, 642330), (32240, 632448), (32643, 624640), (32940, 619008), (33280, 612684), (33480, 609024), (33696, 605120), (34038, 599040), (34560, 589992), (35136, 580320), (35685, 571392), (35712, 570960), (36270, 562176), (37440, 544608), (37820, 539136), (38064, 535680), (38688, 527040), (39040, 522288), (39528, 515840), (39680, 513864), (39936, 510570), (40176, 507520), (41472, 491660), (42120, 484096), (42822, 476160), (43524, 468480), (43920, 464256), (44640, 456768), (44928, 453840), (45384, 449280), (46080, 442494), (46848, 435240), (47580, 428544), (47616, 428220), (48360, 421632), (49166, 414720), (49410, 412672), (49920, 408456), (50220, 406016), (50752, 401760), (51057, 399360), (51584, 395280), (51840, 393328), (52704, 386880), (53568, 380640), (54405, 374784), (55296, 368745), (56160, 363072), (56730, 359424), (57096, 357120), (58032, 351360), (58560, 348192), (59520, 342576), (59904, 340380), (60512, 336960), (62464, 326430), (63440, 321408), (63488, 321165), (64233, 317440), (64480, 316224), (65286, 312320), (65880, 309504), (66560, 306342), (66960, 304512), (67392, 302560), (68076, 299520), (69120, 294996), (70272, 290160), (71370, 285696), (71424, 285480), (72540, 281088), (73749, 276480), (74880, 272304), (75640, 269568), (76128, 267840), (77376, 263520), (78080, 261144), (79056, 257920), (79360, 256932), (79872, 255285), (80352, 253760), (82944, 245830), (84240, 242048), (85095, 239616), (85644, 238080), (87048, 234240), (87840, 232128), (89280, 228384), (89856, 226920), (90768, 224640), (92160, 221247), (93696, 217620), (95160, 214272), (95232, 214110), (96720, 210816), (98332, 207360), (98820, 206336), (99840, 204228), (100440, 203008), (101504, 200880), (102114, 199680), (103168, 197640), (103680, 196664), (105408, 193440), (107055, 190464), (107136, 190320), (108810, 187392), (112320, 181536), (113460, 179712), (114192, 178560), (116064, 175680), (117120, 174096), (119040, 171288), (119808, 170190), (121024, 168480), (122915, 165888), (124928, 163215), (126880, 160704), (128466, 158720), (128960, 158112), (130572, 156160), (131760, 154752), (133120, 153171), (133920, 152256), (134784, 151280), (136152, 149760), (138240, 147498), (140544, 145080), (142740, 142848)]