20305209600

素因数分解:

$2^8\times 3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 1080

約数和(自身を含む): 85012183872

約数和(自身を除く): 64706974272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 25, 26, 27, 30, 32, 36, 39, 40, 45, 46, 48, 50, 52, 54, 60, 64, 65, 69, 72, 75, 78, 80, 81, 90, 92, 96, 100, 104, 108, 115, 117, 120, 128, 130, 131, 135, 138, 144, 150, 156, 160, 162, 180, 184, 192, 195, 200, 207, 208, 216, 225, 230, 234, 240, 256, 260, 262, 270, 276, 288, 299, 300, 312, 320, 324, 325, 345, 351, 360, 368, 384, 390, 393, 400, 405, 414, 416, 432, 450, 460, 468, 480, 520, 524, 540, 552, 575, 576, 585, 598, 600, 621, 624, 640, 648, 650, 655, 675, 690, 702, 720, 736, 768, 780, 786, 800, 810, 828, 832, 864, 897, 900, 920, 936, 960, 975, 1035, 1040, 1048, 1053, 1080, 1104, 1150, 1152, 1170, 1179, 1196, 1200, 1242, 1248, 1280, 1296, 1300, 1310, 1350, 1380, 1404, 1440, 1472, 1495, 1560, 1572, 1600, 1620, 1656, 1664, 1703, 1725, 1728, 1755, 1794, 1800, 1840, 1863, 1872, 1920, 1950, 1965, 2025, 2070, 2080, 2096, 2106, 2160, 2208, 2300, 2304, 2340, 2358, 2392, 2400, 2484, 2496, 2592, 2600, 2620, 2691, 2700, 2760, 2808, 2880, 2925, 2944, 2990, 3013, 3105, 3120, 3144, 3200, 3240, 3275, 3312, 3328, 3406, 3450, 3456, 3510, 3537, 3588, 3600, 3680, 3726, 3744, 3840, 3900, 3930, 4050, 4140, 4160, 4192, 4212, 4320, 4416, 4485, 4600, 4680, 4716, 4784, 4800, 4968, 4992, 5109, 5175, 5184, 5200, 5240, 5265, 5382, 5400, 5520, 5616, 5760, 5850, 5888, 5895, 5980, 6026, 6210, 6240, 6288, 6400, 6480, 6550, 6624, 6812, 6900, 6912, 7020, 7074, 7176, 7200, 7360, 7452, 7475, 7488, 7800, 7860, 8073, 8100, 8280, 8320, 8384, 8424, 8515, 8640, 8775, 8832, 8970, 9039, 9200, 9315, 9360, 9432, 9568, 9600, 9825, 9936, 9984, 10218, 10350, 10368, 10400, 10480, 10530, 10611, 10764, 10800, 11040, 11232, 11520, 11700, 11790, 11960, 12052, 12420, 12480, 12576, 12960, 13100, 13248, 13455, 13624, 13800, 14040, 14148, 14352, 14400, 14720, 14904, 14950, 14976, 15065, 15327, 15525, 15600, 15720, 16146, 16200, 16560, 16640, 16768, 16848, 17030, 17280, 17550, 17664, 17685, 17940, 18078, 18400, 18630, 18720, 18864, 19136, 19200, 19650, 19872, 20436, 20700, 20736, 20800, 20960, 21060, 21222, 21528, 21600, 22080, 22425, 22464, 23400, 23580, 23920, 24104, 24219, 24840, 24960, 25152, 25545, 25920, 26200, 26325, 26496, 26910, 27117, 27248, 27600, 28080, 28296, 28704, 28800, 29440, 29475, 29808, 29900, 29952, 30130, 30654, 31050, 31200, 31440, 32292, 32400, 33120, 33536, 33696, 34060, 34560, 35100, 35370, 35880, 36156, 36800, 37260, 37440, 37728, 38272, 39169, 39300, 39744, 40365, 40872, 41400, 41600, 41920, 42120, 42444, 42575, 43056, 43200, 44160, 44850, 44928, 45195, 45981, 46575, 46800, 47160, 47840, 48208, 48438, 49680, 49920, 50304, 51090, 51840, 52400, 52650, 52992, 53055, 53820, 54234, 54496, 55200, 56160, 56592, 57408, 57600, 58950, 59616, 59800, 60260, 61308, 62100, 62400, 62880, 64584, 64800, 66240, 67275, 67392, 68120, 70200, 70740, 71760, 72312, 73600, 74520, 74880, 75325, 75456, 76544, 76635, 78338, 78600, 79488, 80730, 81351, 81744, 82800, 83200, 83840, 84240, 84888, 85150, 86112, 86400, 88320, 88425, 89700, 89856, 90390, 91962, 93150, 93600, 94320, 95680, 96416, 96876, 99360, 100608, 102180, 103680, 104800, 105300, 106110, 107640, 108468, 108992, 110400, 112320, 113184, 114816, 117507, 117900, 119232, 119600, 120520, 121095, 122616, 124200, 124800, 125760, 127725, 129168, 129600, 132480, 134550, 134784, 135585, 136240, 137943, 140400, 141480, 143520, 144624, 147200, 149040, 149760, 150650, 150912, 153270, 156676, 157200, 158976, 161460, 162702, 163488, 165600, 167680, 168480, 169776, 170300, 172224, 172800, 176850, 179400, 180780, 183924, 186300, 187200, 188640, 191360, 192832, 193752, 195845, 198720, 201825, 204360, 209600, 210600, 212220, 215280, 216936, 217984, 220800, 224640, 225975, 226368, 229632, 229905, 235014, 235800, 238464, 239200, 241040, 242190, 244053, 245232, 248400, 249600, 251520, 255450, 258336, 259200, 264960, 265275, 269100, 269568, 271170, 272480, 275886, 280800, 282960, 287040, 289248, 298080, 301300, 301824, 306540, 313352, 314400, 322920, 325404, 326976, 331200, 336960, 339552, 340600, 344448, 352521, 353700, 358800, 361560, 367848, 372600, 374400, 377280, 382720, 383175, 385664, 387504, 391690, 397440, 403650, 406755, 408720, 419200, 421200, 424440, 430560, 433872, 435968, 441600, 449280, 451950, 452736, 459810, 470028, 471600, 476928, 478400, 482080, 484380, 488106, 490464, 496800, 503040, 510900, 516672, 518400, 530550, 538200, 542340, 544960, 551772, 561600, 565920, 574080, 578496, 587535, 596160, 602600, 605475, 613080, 626704, 628800, 645840, 650808, 653952, 662400, 673920, 677925, 679104, 681200, 688896, 689715, 705042, 707400, 717600, 723120, 735696, 745200, 748800, 754560, 766350, 771328, 775008, 783380, 794880, 807300, 813510, 817440, 838400, 842400, 848880, 861120, 867744, 903900, 905472, 919620, 940056, 943200, 956800, 964160, 968760, 976212, 979225, 980928, 993600, 1021800, 1033344, 1057563, 1061100, 1076400, 1084680, 1089920, 1103544, 1123200, 1131840, 1148160, 1149525, 1156992, 1175070, 1192320, 1205200, 1210950, 1220265, 1226160, 1253408, 1257600, 1291680, 1301616, 1307904, 1324800, 1347840, 1355850, 1358208, 1362400, 1379430, 1410084, 1414800, 1435200, 1446240, 1471392, 1490400, 1509120, 1532700, 1550016, 1566760, 1614600, 1627020, 1634880, 1684800, 1697760, 1722240, 1735488, 1762605, 1807800, 1839240, 1880112, 1886400, 1913600, 1928320, 1937520, 1952424, 1958450, 1961856, 1987200, 2033775, 2043600, 2066688, 2115126, 2122200, 2152800, 2169360, 2179840, 2207088, 2246400, 2263680, 2299050, 2313984, 2350140, 2384640, 2410400, 2421900, 2440530, 2452320, 2506816, 2515200, 2583360, 2603232, 2711700, 2716416, 2724800, 2758860, 2820168, 2829600, 2870400, 2892480, 2937675, 2942784, 2980800, 3065400, 3100032, 3133520, 3172689, 3229200, 3254040, 3269760, 3369600, 3395520, 3444480, 3448575, 3470976, 3525210, 3615600, 3678480, 3760224, 3772800, 3856640, 3875040, 3904848, 3916900, 3923712, 3974400, 4067550, 4087200, 4230252, 4244400, 4305600, 4338720, 4414176, 4527360, 4598100, 4700280, 4820800, 4843800, 4881060, 4904640, 5013632, 5166720, 5206464, 5287815, 5423400, 5449600, 5517720, 5640336, 5659200, 5740800, 5784960, 5875350, 5885568, 5961600, 6101325, 6130800, 6200064, 6267040, 6345378, 6458400, 6508080, 6539520, 6739200, 6791040, 6897150, 6941952, 7050420, 7231200, 7356960, 7520448, 7545600, 7750080, 7809696, 7833800, 8135100, 8174400, 8460504, 8488800, 8611200, 8677440, 8813025, 8828352, 9196200, 9400560, 9641600, 9687600, 9762120, 9809280, 10027264, 10333440, 10412928, 10575630, 10846800, 10899200, 11035440, 11280672, 11318400, 11569920, 11750700, 11771136, 11923200, 12202650, 12261600, 12534080, 12690756, 12916800, 13016160, 13582080, 13794300, 14100840, 14462400, 14713920, 15040896, 15500160, 15619392, 15667600, 15863445, 16270200, 16348800, 16921008, 16977600, 17222400, 17354880, 17626050, 17656704, 18392400, 18801120, 19283200, 19375200, 19524240, 19618560, 20825856, 21151260, 21693600, 22070880, 22561344, 22636800, 23501400, 24405300, 24523200, 25068160, 25381512, 25833600, 26032320, 26439075, 27588600, 28201680, 28924800, 29427840, 30081792, 31000320, 31238784, 31335200, 31726890, 32540400, 32697600, 33842016, 33955200, 34709760, 35252100, 35313408, 36784800, 37602240, 38750400, 39048480, 42302520, 43387200, 44141760, 45122688, 47002800, 48810600, 49046400, 50136320, 50763024, 51667200, 52064640, 52878150, 55177200, 56403360, 57849600, 58855680, 62477568, 62670400, 63453780, 65080800, 67684032, 67910400, 70504200, 73569600, 75204480, 77500800, 78096960, 79317225, 84605040, 86774400, 88283520, 90245376, 94005600, 97621200, 98092800, 101526048, 104129280, 105756300, 110354400, 112806720, 125340800, 126907560, 130161600, 135368064, 141008400, 147139200, 150408960, 155001600, 156193920, 158634450, 169210080, 173548800, 176567040, 188011200, 195242400, 203052096, 211512600, 220708800, 225613440, 250681600, 253815120, 260323200, 270736128, 282016800, 294278400, 312387840, 317268900, 338420160, 376022400, 390484800, 406104192, 423025200, 441417600, 451226880, 507630240, 520646400, 564033600, 634537800, 676840320, 752044800, 780969600, 812208384, 846050400, 882835200, 1015260480, 1128067200, 1269075600, 1353680640, 1561939200, 1692100800, 2030520960, 2256134400, 2538151200, 3384201600, 4061041920, 5076302400, 6768403200, 10152604800, 20305209600]

約数ペア:

[(1, 20305209600), (2, 10152604800), (3, 6768403200), (4, 5076302400), (5, 4061041920), (6, 3384201600), (8, 2538151200), (9, 2256134400), (10, 2030520960), (12, 1692100800), (13, 1561939200), (15, 1353680640), (16, 1269075600), (18, 1128067200), (20, 1015260480), (23, 882835200), (24, 846050400), (25, 812208384), (26, 780969600), (27, 752044800), (30, 676840320), (32, 634537800), (36, 564033600), (39, 520646400), (40, 507630240), (45, 451226880), (46, 441417600), (48, 423025200), (50, 406104192), (52, 390484800), (54, 376022400), (60, 338420160), (64, 317268900), (65, 312387840), (69, 294278400), (72, 282016800), (75, 270736128), (78, 260323200), (80, 253815120), (81, 250681600), (90, 225613440), (92, 220708800), (96, 211512600), (100, 203052096), (104, 195242400), (108, 188011200), (115, 176567040), (117, 173548800), (120, 169210080), (128, 158634450), (130, 156193920), (131, 155001600), (135, 150408960), (138, 147139200), (144, 141008400), (150, 135368064), (156, 130161600), (160, 126907560), (162, 125340800), (180, 112806720), (184, 110354400), (192, 105756300), (195, 104129280), (200, 101526048), (207, 98092800), (208, 97621200), (216, 94005600), (225, 90245376), (230, 88283520), (234, 86774400), (240, 84605040), (256, 79317225), (260, 78096960), (262, 77500800), (270, 75204480), (276, 73569600), (288, 70504200), (299, 67910400), (300, 67684032), (312, 65080800), (320, 63453780), (324, 62670400), (325, 62477568), (345, 58855680), (351, 57849600), (360, 56403360), (368, 55177200), (384, 52878150), (390, 52064640), (393, 51667200), (400, 50763024), (405, 50136320), (414, 49046400), (416, 48810600), (432, 47002800), (450, 45122688), (460, 44141760), (468, 43387200), (480, 42302520), (520, 39048480), (524, 38750400), (540, 37602240), (552, 36784800), (575, 35313408), (576, 35252100), (585, 34709760), (598, 33955200), (600, 33842016), (621, 32697600), (624, 32540400), (640, 31726890), (648, 31335200), (650, 31238784), (655, 31000320), (675, 30081792), (690, 29427840), (702, 28924800), (720, 28201680), (736, 27588600), (768, 26439075), (780, 26032320), (786, 25833600), (800, 25381512), (810, 25068160), (828, 24523200), (832, 24405300), (864, 23501400), (897, 22636800), (900, 22561344), (920, 22070880), (936, 21693600), (960, 21151260), (975, 20825856), (1035, 19618560), (1040, 19524240), (1048, 19375200), (1053, 19283200), (1080, 18801120), (1104, 18392400), (1150, 17656704), (1152, 17626050), (1170, 17354880), (1179, 17222400), (1196, 16977600), (1200, 16921008), (1242, 16348800), (1248, 16270200), (1280, 15863445), (1296, 15667600), (1300, 15619392), (1310, 15500160), (1350, 15040896), (1380, 14713920), (1404, 14462400), (1440, 14100840), (1472, 13794300), (1495, 13582080), (1560, 13016160), (1572, 12916800), (1600, 12690756), (1620, 12534080), (1656, 12261600), (1664, 12202650), (1703, 11923200), (1725, 11771136), (1728, 11750700), (1755, 11569920), (1794, 11318400), (1800, 11280672), (1840, 11035440), (1863, 10899200), (1872, 10846800), (1920, 10575630), (1950, 10412928), (1965, 10333440), (2025, 10027264), (2070, 9809280), (2080, 9762120), (2096, 9687600), (2106, 9641600), (2160, 9400560), (2208, 9196200), (2300, 8828352), (2304, 8813025), (2340, 8677440), (2358, 8611200), (2392, 8488800), (2400, 8460504), (2484, 8174400), (2496, 8135100), (2592, 7833800), (2600, 7809696), (2620, 7750080), (2691, 7545600), (2700, 7520448), (2760, 7356960), (2808, 7231200), (2880, 7050420), (2925, 6941952), (2944, 6897150), (2990, 6791040), (3013, 6739200), (3105, 6539520), (3120, 6508080), (3144, 6458400), (3200, 6345378), (3240, 6267040), (3275, 6200064), (3312, 6130800), (3328, 6101325), (3406, 5961600), (3450, 5885568), (3456, 5875350), (3510, 5784960), (3537, 5740800), (3588, 5659200), (3600, 5640336), (3680, 5517720), (3726, 5449600), (3744, 5423400), (3840, 5287815), (3900, 5206464), (3930, 5166720), (4050, 5013632), (4140, 4904640), (4160, 4881060), (4192, 4843800), (4212, 4820800), (4320, 4700280), (4416, 4598100), (4485, 4527360), (4600, 4414176), (4680, 4338720), (4716, 4305600), (4784, 4244400), (4800, 4230252), (4968, 4087200), (4992, 4067550), (5109, 3974400), (5175, 3923712), (5184, 3916900), (5200, 3904848), (5240, 3875040), (5265, 3856640), (5382, 3772800), (5400, 3760224), (5520, 3678480), (5616, 3615600), (5760, 3525210), (5850, 3470976), (5888, 3448575), (5895, 3444480), (5980, 3395520), (6026, 3369600), (6210, 3269760), (6240, 3254040), (6288, 3229200), (6400, 3172689), (6480, 3133520), (6550, 3100032), (6624, 3065400), (6812, 2980800), (6900, 2942784), (6912, 2937675), (7020, 2892480), (7074, 2870400), (7176, 2829600), (7200, 2820168), (7360, 2758860), (7452, 2724800), (7475, 2716416), (7488, 2711700), (7800, 2603232), (7860, 2583360), (8073, 2515200), (8100, 2506816), (8280, 2452320), (8320, 2440530), (8384, 2421900), (8424, 2410400), (8515, 2384640), (8640, 2350140), (8775, 2313984), (8832, 2299050), (8970, 2263680), (9039, 2246400), (9200, 2207088), (9315, 2179840), (9360, 2169360), (9432, 2152800), (9568, 2122200), (9600, 2115126), (9825, 2066688), (9936, 2043600), (9984, 2033775), (10218, 1987200), (10350, 1961856), (10368, 1958450), (10400, 1952424), (10480, 1937520), (10530, 1928320), (10611, 1913600), (10764, 1886400), (10800, 1880112), (11040, 1839240), (11232, 1807800), (11520, 1762605), (11700, 1735488), (11790, 1722240), (11960, 1697760), (12052, 1684800), (12420, 1634880), (12480, 1627020), (12576, 1614600), (12960, 1566760), (13100, 1550016), (13248, 1532700), (13455, 1509120), (13624, 1490400), (13800, 1471392), (14040, 1446240), (14148, 1435200), (14352, 1414800), (14400, 1410084), (14720, 1379430), (14904, 1362400), (14950, 1358208), (14976, 1355850), (15065, 1347840), (15327, 1324800), (15525, 1307904), (15600, 1301616), (15720, 1291680), (16146, 1257600), (16200, 1253408), (16560, 1226160), (16640, 1220265), (16768, 1210950), (16848, 1205200), (17030, 1192320), (17280, 1175070), (17550, 1156992), (17664, 1149525), (17685, 1148160), (17940, 1131840), (18078, 1123200), (18400, 1103544), (18630, 1089920), (18720, 1084680), (18864, 1076400), (19136, 1061100), (19200, 1057563), (19650, 1033344), (19872, 1021800), (20436, 993600), (20700, 980928), (20736, 979225), (20800, 976212), (20960, 968760), (21060, 964160), (21222, 956800), (21528, 943200), (21600, 940056), (22080, 919620), (22425, 905472), (22464, 903900), (23400, 867744), (23580, 861120), (23920, 848880), (24104, 842400), (24219, 838400), (24840, 817440), (24960, 813510), (25152, 807300), (25545, 794880), (25920, 783380), (26200, 775008), (26325, 771328), (26496, 766350), (26910, 754560), (27117, 748800), (27248, 745200), (27600, 735696), (28080, 723120), (28296, 717600), (28704, 707400), (28800, 705042), (29440, 689715), (29475, 688896), (29808, 681200), (29900, 679104), (29952, 677925), (30130, 673920), (30654, 662400), (31050, 653952), (31200, 650808), (31440, 645840), (32292, 628800), (32400, 626704), (33120, 613080), (33536, 605475), (33696, 602600), (34060, 596160), (34560, 587535), (35100, 578496), (35370, 574080), (35880, 565920), (36156, 561600), (36800, 551772), (37260, 544960), (37440, 542340), (37728, 538200), (38272, 530550), (39169, 518400), (39300, 516672), (39744, 510900), (40365, 503040), (40872, 496800), (41400, 490464), (41600, 488106), (41920, 484380), (42120, 482080), (42444, 478400), (42575, 476928), (43056, 471600), (43200, 470028), (44160, 459810), (44850, 452736), (44928, 451950), (45195, 449280), (45981, 441600), (46575, 435968), (46800, 433872), (47160, 430560), (47840, 424440), (48208, 421200), (48438, 419200), (49680, 408720), (49920, 406755), (50304, 403650), (51090, 397440), (51840, 391690), (52400, 387504), (52650, 385664), (52992, 383175), (53055, 382720), (53820, 377280), (54234, 374400), (54496, 372600), (55200, 367848), (56160, 361560), (56592, 358800), (57408, 353700), (57600, 352521), (58950, 344448), (59616, 340600), (59800, 339552), (60260, 336960), (61308, 331200), (62100, 326976), (62400, 325404), (62880, 322920), (64584, 314400), (64800, 313352), (66240, 306540), (67275, 301824), (67392, 301300), (68120, 298080), (70200, 289248), (70740, 287040), (71760, 282960), (72312, 280800), (73600, 275886), (74520, 272480), (74880, 271170), (75325, 269568), (75456, 269100), (76544, 265275), (76635, 264960), (78338, 259200), (78600, 258336), (79488, 255450), (80730, 251520), (81351, 249600), (81744, 248400), (82800, 245232), (83200, 244053), (83840, 242190), (84240, 241040), (84888, 239200), (85150, 238464), (86112, 235800), (86400, 235014), (88320, 229905), (88425, 229632), (89700, 226368), (89856, 225975), (90390, 224640), (91962, 220800), (93150, 217984), (93600, 216936), (94320, 215280), (95680, 212220), (96416, 210600), (96876, 209600), (99360, 204360), (100608, 201825), (102180, 198720), (103680, 195845), (104800, 193752), (105300, 192832), (106110, 191360), (107640, 188640), (108468, 187200), (108992, 186300), (110400, 183924), (112320, 180780), (113184, 179400), (114816, 176850), (117507, 172800), (117900, 172224), (119232, 170300), (119600, 169776), (120520, 168480), (121095, 167680), (122616, 165600), (124200, 163488), (124800, 162702), (125760, 161460), (127725, 158976), (129168, 157200), (129600, 156676), (132480, 153270), (134550, 150912), (134784, 150650), (135585, 149760), (136240, 149040), (137943, 147200), (140400, 144624), (141480, 143520)]