20979212800

素因数分解:

$2^9\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:169

約数の個数: 720

約数和(自身を含む): 68025146112

約数和(自身を除く): 47045933312

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 31, 32, 35, 40, 49, 50, 52, 56, 62, 64, 65, 70, 80, 83, 91, 98, 100, 104, 112, 124, 128, 130, 140, 155, 160, 166, 175, 182, 196, 200, 208, 217, 224, 245, 248, 256, 260, 280, 310, 320, 325, 332, 350, 364, 392, 400, 403, 415, 416, 434, 448, 455, 490, 496, 512, 520, 560, 581, 620, 637, 640, 650, 664, 700, 728, 775, 784, 800, 806, 830, 832, 868, 896, 910, 980, 992, 1040, 1079, 1085, 1120, 1162, 1225, 1240, 1274, 1280, 1300, 1328, 1400, 1456, 1519, 1550, 1568, 1600, 1612, 1660, 1664, 1736, 1792, 1820, 1960, 1984, 2015, 2075, 2080, 2158, 2170, 2240, 2275, 2324, 2450, 2480, 2548, 2560, 2573, 2600, 2656, 2800, 2821, 2905, 2912, 3038, 3100, 3136, 3185, 3200, 3224, 3320, 3328, 3472, 3584, 3640, 3920, 3968, 4030, 4067, 4150, 4160, 4316, 4340, 4480, 4550, 4648, 4900, 4960, 5096, 5146, 5200, 5312, 5395, 5425, 5600, 5642, 5810, 5824, 6076, 6200, 6272, 6370, 6400, 6448, 6640, 6656, 6944, 7280, 7553, 7595, 7840, 7936, 8060, 8134, 8300, 8320, 8632, 8680, 8960, 9100, 9296, 9800, 9920, 10075, 10192, 10292, 10400, 10624, 10790, 10850, 11200, 11284, 11620, 11648, 12152, 12400, 12544, 12740, 12800, 12865, 12896, 13280, 13888, 14105, 14525, 14560, 15106, 15190, 15680, 15872, 15925, 16120, 16268, 16600, 16640, 17264, 17360, 17920, 18011, 18200, 18592, 19600, 19747, 19840, 20150, 20335, 20384, 20584, 20800, 21248, 21580, 21700, 22400, 22568, 23240, 23296, 24304, 24800, 25088, 25480, 25730, 25792, 26560, 26975, 27776, 28210, 29050, 29120, 30212, 30380, 31360, 31850, 32240, 32536, 33200, 33280, 33449, 34528, 34720, 36022, 36400, 37184, 37765, 37975, 39200, 39494, 39680, 40300, 40670, 40768, 41168, 41600, 42496, 43160, 43400, 44800, 45136, 46480, 46592, 48608, 49600, 50960, 51460, 51584, 52871, 53120, 53950, 55552, 56420, 58100, 58240, 60424, 60760, 62720, 63700, 64325, 64480, 65072, 66400, 66898, 69056, 69440, 70525, 72044, 72800, 74368, 75530, 75950, 78400, 78988, 79360, 80600, 81340, 81536, 82336, 83200, 86320, 86800, 89600, 90055, 90272, 92960, 97216, 98735, 99200, 101675, 101920, 102920, 103168, 105742, 106240, 107900, 111104, 112840, 116200, 116480, 120848, 121520, 125440, 126077, 127400, 128650, 128960, 130144, 132800, 133796, 138112, 138880, 141050, 144088, 145600, 148736, 151060, 151900, 156800, 157976, 161200, 162680, 163072, 164672, 166400, 167245, 172640, 173600, 180110, 180544, 185920, 188825, 194432, 197470, 198400, 203350, 203840, 205840, 206336, 211484, 212480, 215800, 225680, 232400, 232960, 234143, 241696, 243040, 252154, 254800, 257300, 257920, 260288, 264355, 265600, 267592, 276224, 277760, 282100, 288176, 291200, 297472, 302120, 303800, 313600, 315952, 322400, 325360, 326144, 329344, 334490, 345280, 347200, 360220, 361088, 371840, 377650, 388864, 394940, 396800, 406700, 407680, 411680, 422968, 431600, 450275, 451360, 464800, 468286, 483392, 486080, 493675, 504308, 509600, 514600, 515840, 520576, 528710, 531200, 535184, 552448, 555520, 564200, 576352, 582400, 604240, 607600, 627200, 630385, 631904, 644800, 650720, 658688, 668980, 690560, 694400, 720440, 722176, 743680, 755300, 777728, 789880, 813400, 815360, 823360, 836225, 845936, 863200, 900550, 902720, 929600, 936572, 966784, 972160, 987350, 1008616, 1019200, 1029200, 1031680, 1041152, 1057420, 1062400, 1070368, 1128400, 1152704, 1164800, 1170715, 1208480, 1215200, 1260770, 1263808, 1289600, 1301440, 1317376, 1321775, 1337960, 1381120, 1388800, 1440880, 1444352, 1487360, 1510600, 1579760, 1626800, 1630720, 1639001, 1646720, 1672450, 1691872, 1726400, 1801100, 1805440, 1859200, 1873144, 1933568, 1944320, 1974700, 2017232, 2038400, 2058400, 2082304, 2114840, 2140736, 2256800, 2305408, 2341430, 2416960, 2430400, 2521540, 2527616, 2579200, 2602880, 2643550, 2675920, 2762240, 2777600, 2881760, 3021200, 3151925, 3159520, 3253600, 3278002, 3293440, 3344900, 3383744, 3452800, 3602200, 3610880, 3718400, 3746288, 3867136, 3888640, 3949400, 4034464, 4076800, 4116800, 4229680, 4281472, 4513600, 4610816, 4682860, 4833920, 4860800, 5043080, 5055232, 5158400, 5205760, 5287100, 5351840, 5763520, 5853575, 6042400, 6303850, 6319040, 6507200, 6556004, 6586880, 6689800, 6767488, 6905600, 7204400, 7221760, 7436800, 7492576, 7898800, 8068928, 8153600, 8195005, 8233600, 8459360, 8562944, 9027200, 9221632, 9365720, 9667840, 9721600, 10086160, 10110464, 10411520, 10574200, 10703680, 11527040, 11707150, 12084800, 12607700, 12638080, 13014400, 13112008, 13379600, 13534976, 13811200, 14408800, 14985152, 15797600, 16137856, 16390010, 16467200, 16918720, 17125888, 18054400, 18731440, 19335680, 19443200, 20172320, 21148400, 21407360, 23054080, 23414300, 24169600, 25215400, 25276160, 26028800, 26224016, 26759200, 27069952, 28817600, 29970304, 31595200, 32275712, 32780020, 32934400, 33837440, 36108800, 37462880, 40344640, 40975025, 42296800, 42814720, 46108160, 46828600, 48339200, 50430800, 50552320, 52057600, 52448032, 53518400, 57635200, 59940608, 63190400, 64551424, 65560040, 67674880, 74925760, 80689280, 81950050, 84593600, 85629440, 93657200, 96678400, 100861600, 104896064, 107036800, 115270400, 119881216, 126380800, 131120080, 135349760, 149851520, 161378560, 163900100, 169187200, 187314400, 201723200, 209792128, 214073600, 230540800, 252761600, 262240160, 299703040, 322757120, 327800200, 338374400, 374628800, 403446400, 419584256, 428147200, 524480320, 599406080, 655600400, 676748800, 749257600, 806892800, 839168512, 1048960640, 1311200800, 1498515200, 1613785600, 2097921280, 2622401600, 2997030400, 4195842560, 5244803200, 10489606400, 20979212800]

約数ペア:

[(1, 20979212800), (2, 10489606400), (4, 5244803200), (5, 4195842560), (7, 2997030400), (8, 2622401600), (10, 2097921280), (13, 1613785600), (14, 1498515200), (16, 1311200800), (20, 1048960640), (25, 839168512), (26, 806892800), (28, 749257600), (31, 676748800), (32, 655600400), (35, 599406080), (40, 524480320), (49, 428147200), (50, 419584256), (52, 403446400), (56, 374628800), (62, 338374400), (64, 327800200), (65, 322757120), (70, 299703040), (80, 262240160), (83, 252761600), (91, 230540800), (98, 214073600), (100, 209792128), (104, 201723200), (112, 187314400), (124, 169187200), (128, 163900100), (130, 161378560), (140, 149851520), (155, 135349760), (160, 131120080), (166, 126380800), (175, 119881216), (182, 115270400), (196, 107036800), (200, 104896064), (208, 100861600), (217, 96678400), (224, 93657200), (245, 85629440), (248, 84593600), (256, 81950050), (260, 80689280), (280, 74925760), (310, 67674880), (320, 65560040), (325, 64551424), (332, 63190400), (350, 59940608), (364, 57635200), (392, 53518400), (400, 52448032), (403, 52057600), (415, 50552320), (416, 50430800), (434, 48339200), (448, 46828600), (455, 46108160), (490, 42814720), (496, 42296800), (512, 40975025), (520, 40344640), (560, 37462880), (581, 36108800), (620, 33837440), (637, 32934400), (640, 32780020), (650, 32275712), (664, 31595200), (700, 29970304), (728, 28817600), (775, 27069952), (784, 26759200), (800, 26224016), (806, 26028800), (830, 25276160), (832, 25215400), (868, 24169600), (896, 23414300), (910, 23054080), (980, 21407360), (992, 21148400), (1040, 20172320), (1079, 19443200), (1085, 19335680), (1120, 18731440), (1162, 18054400), (1225, 17125888), (1240, 16918720), (1274, 16467200), (1280, 16390010), (1300, 16137856), (1328, 15797600), (1400, 14985152), (1456, 14408800), (1519, 13811200), (1550, 13534976), (1568, 13379600), (1600, 13112008), (1612, 13014400), (1660, 12638080), (1664, 12607700), (1736, 12084800), (1792, 11707150), (1820, 11527040), (1960, 10703680), (1984, 10574200), (2015, 10411520), (2075, 10110464), (2080, 10086160), (2158, 9721600), (2170, 9667840), (2240, 9365720), (2275, 9221632), (2324, 9027200), (2450, 8562944), (2480, 8459360), (2548, 8233600), (2560, 8195005), (2573, 8153600), (2600, 8068928), (2656, 7898800), (2800, 7492576), (2821, 7436800), (2905, 7221760), (2912, 7204400), (3038, 6905600), (3100, 6767488), (3136, 6689800), (3185, 6586880), (3200, 6556004), (3224, 6507200), (3320, 6319040), (3328, 6303850), (3472, 6042400), (3584, 5853575), (3640, 5763520), (3920, 5351840), (3968, 5287100), (4030, 5205760), (4067, 5158400), (4150, 5055232), (4160, 5043080), (4316, 4860800), (4340, 4833920), (4480, 4682860), (4550, 4610816), (4648, 4513600), (4900, 4281472), (4960, 4229680), (5096, 4116800), (5146, 4076800), (5200, 4034464), (5312, 3949400), (5395, 3888640), (5425, 3867136), (5600, 3746288), (5642, 3718400), (5810, 3610880), (5824, 3602200), (6076, 3452800), (6200, 3383744), (6272, 3344900), (6370, 3293440), (6400, 3278002), (6448, 3253600), (6640, 3159520), (6656, 3151925), (6944, 3021200), (7280, 2881760), (7553, 2777600), (7595, 2762240), (7840, 2675920), (7936, 2643550), (8060, 2602880), (8134, 2579200), (8300, 2527616), (8320, 2521540), (8632, 2430400), (8680, 2416960), (8960, 2341430), (9100, 2305408), (9296, 2256800), (9800, 2140736), (9920, 2114840), (10075, 2082304), (10192, 2058400), (10292, 2038400), (10400, 2017232), (10624, 1974700), (10790, 1944320), (10850, 1933568), (11200, 1873144), (11284, 1859200), (11620, 1805440), (11648, 1801100), (12152, 1726400), (12400, 1691872), (12544, 1672450), (12740, 1646720), (12800, 1639001), (12865, 1630720), (12896, 1626800), (13280, 1579760), (13888, 1510600), (14105, 1487360), (14525, 1444352), (14560, 1440880), (15106, 1388800), (15190, 1381120), (15680, 1337960), (15872, 1321775), (15925, 1317376), (16120, 1301440), (16268, 1289600), (16600, 1263808), (16640, 1260770), (17264, 1215200), (17360, 1208480), (17920, 1170715), (18011, 1164800), (18200, 1152704), (18592, 1128400), (19600, 1070368), (19747, 1062400), (19840, 1057420), (20150, 1041152), (20335, 1031680), (20384, 1029200), (20584, 1019200), (20800, 1008616), (21248, 987350), (21580, 972160), (21700, 966784), (22400, 936572), (22568, 929600), (23240, 902720), (23296, 900550), (24304, 863200), (24800, 845936), (25088, 836225), (25480, 823360), (25730, 815360), (25792, 813400), (26560, 789880), (26975, 777728), (27776, 755300), (28210, 743680), (29050, 722176), (29120, 720440), (30212, 694400), (30380, 690560), (31360, 668980), (31850, 658688), (32240, 650720), (32536, 644800), (33200, 631904), (33280, 630385), (33449, 627200), (34528, 607600), (34720, 604240), (36022, 582400), (36400, 576352), (37184, 564200), (37765, 555520), (37975, 552448), (39200, 535184), (39494, 531200), (39680, 528710), (40300, 520576), (40670, 515840), (40768, 514600), (41168, 509600), (41600, 504308), (42496, 493675), (43160, 486080), (43400, 483392), (44800, 468286), (45136, 464800), (46480, 451360), (46592, 450275), (48608, 431600), (49600, 422968), (50960, 411680), (51460, 407680), (51584, 406700), (52871, 396800), (53120, 394940), (53950, 388864), (55552, 377650), (56420, 371840), (58100, 361088), (58240, 360220), (60424, 347200), (60760, 345280), (62720, 334490), (63700, 329344), (64325, 326144), (64480, 325360), (65072, 322400), (66400, 315952), (66898, 313600), (69056, 303800), (69440, 302120), (70525, 297472), (72044, 291200), (72800, 288176), (74368, 282100), (75530, 277760), (75950, 276224), (78400, 267592), (78988, 265600), (79360, 264355), (80600, 260288), (81340, 257920), (81536, 257300), (82336, 254800), (83200, 252154), (86320, 243040), (86800, 241696), (89600, 234143), (90055, 232960), (90272, 232400), (92960, 225680), (97216, 215800), (98735, 212480), (99200, 211484), (101675, 206336), (101920, 205840), (102920, 203840), (103168, 203350), (105742, 198400), (106240, 197470), (107900, 194432), (111104, 188825), (112840, 185920), (116200, 180544), (116480, 180110), (120848, 173600), (121520, 172640), (125440, 167245), (126077, 166400), (127400, 164672), (128650, 163072), (128960, 162680), (130144, 161200), (132800, 157976), (133796, 156800), (138112, 151900), (138880, 151060), (141050, 148736), (144088, 145600)]