19438755840

素因数分解:

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

素因数の和:90

約数の個数: 896

約数和(自身を含む): 82538864640

約数和(自身を除く): 63100108800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 62, 63, 64, 70, 72, 80, 81, 84, 90, 93, 96, 105, 108, 112, 120, 124, 126, 128, 135, 140, 144, 155, 160, 162, 168, 180, 186, 189, 192, 210, 216, 217, 224, 240, 243, 248, 252, 256, 270, 279, 280, 288, 310, 315, 320, 324, 336, 360, 372, 378, 384, 405, 420, 432, 434, 448, 465, 480, 486, 496, 504, 512, 540, 558, 560, 567, 576, 620, 630, 640, 648, 651, 672, 720, 729, 744, 756, 768, 810, 837, 840, 864, 868, 896, 930, 945, 960, 972, 992, 1008, 1024, 1080, 1085, 1116, 1120, 1134, 1152, 1215, 1240, 1260, 1280, 1296, 1302, 1344, 1395, 1440, 1458, 1488, 1512, 1536, 1620, 1674, 1680, 1701, 1728, 1736, 1792, 1860, 1890, 1920, 1944, 1953, 1984, 2016, 2048, 2160, 2170, 2187, 2232, 2240, 2268, 2304, 2430, 2480, 2511, 2520, 2560, 2592, 2604, 2688, 2790, 2835, 2880, 2916, 2976, 3024, 3072, 3240, 3255, 3348, 3360, 3402, 3456, 3472, 3584, 3645, 3720, 3780, 3840, 3888, 3906, 3968, 4032, 4096, 4185, 4320, 4340, 4374, 4464, 4480, 4536, 4608, 4860, 4960, 5022, 5040, 5103, 5120, 5184, 5208, 5376, 5580, 5670, 5760, 5832, 5859, 5952, 6048, 6144, 6480, 6510, 6696, 6720, 6804, 6912, 6944, 7168, 7290, 7440, 7533, 7560, 7680, 7776, 7812, 7936, 8064, 8192, 8370, 8505, 8640, 8680, 8748, 8928, 8960, 9072, 9216, 9720, 9765, 9920, 10044, 10080, 10206, 10240, 10368, 10416, 10752, 10935, 11160, 11340, 11520, 11664, 11718, 11904, 12096, 12288, 12555, 12960, 13020, 13392, 13440, 13608, 13824, 13888, 14336, 14580, 14880, 15066, 15120, 15309, 15360, 15552, 15624, 15872, 16128, 16740, 17010, 17280, 17360, 17496, 17577, 17856, 17920, 18144, 18432, 19440, 19530, 19840, 20088, 20160, 20412, 20480, 20736, 20832, 21504, 21870, 22320, 22599, 22680, 23040, 23328, 23436, 23808, 24192, 24576, 25110, 25515, 25920, 26040, 26784, 26880, 27216, 27648, 27776, 28672, 29160, 29295, 29760, 30132, 30240, 30618, 30720, 31104, 31248, 31744, 32256, 33480, 34020, 34560, 34720, 34992, 35154, 35712, 35840, 36288, 36864, 37665, 38880, 39060, 39680, 40176, 40320, 40824, 40960, 41472, 41664, 43008, 43740, 44640, 45198, 45360, 46080, 46656, 46872, 47616, 48384, 50220, 51030, 51840, 52080, 52731, 53568, 53760, 54432, 55296, 55552, 57344, 58320, 58590, 59520, 60264, 60480, 61236, 61440, 62208, 62496, 63488, 64512, 66960, 67797, 68040, 69120, 69440, 69984, 70308, 71424, 71680, 72576, 73728, 75330, 76545, 77760, 78120, 79360, 80352, 80640, 81648, 82944, 83328, 86016, 87480, 87885, 89280, 90396, 90720, 92160, 93312, 93744, 95232, 96768, 100440, 102060, 103680, 104160, 105462, 107136, 107520, 108864, 110592, 111104, 112995, 116640, 117180, 119040, 120528, 120960, 122472, 122880, 124416, 124992, 126976, 129024, 133920, 135594, 136080, 138240, 138880, 139968, 140616, 142848, 143360, 145152, 150660, 153090, 155520, 156240, 158193, 158720, 160704, 161280, 163296, 165888, 166656, 172032, 174960, 175770, 178560, 180792, 181440, 184320, 186624, 187488, 190464, 193536, 200880, 204120, 207360, 208320, 210924, 214272, 215040, 217728, 221184, 222208, 225990, 233280, 234360, 238080, 241056, 241920, 244944, 248832, 249984, 253952, 258048, 263655, 267840, 271188, 272160, 276480, 277760, 279936, 281232, 285696, 286720, 290304, 301320, 306180, 311040, 312480, 316386, 317440, 321408, 322560, 326592, 331776, 333312, 338985, 349920, 351540, 357120, 361584, 362880, 368640, 373248, 374976, 380928, 387072, 401760, 408240, 414720, 416640, 421848, 428544, 430080, 435456, 444416, 451980, 466560, 468720, 474579, 476160, 482112, 483840, 489888, 497664, 499968, 516096, 527310, 535680, 542376, 544320, 552960, 555520, 559872, 562464, 571392, 580608, 602640, 612360, 622080, 624960, 632772, 634880, 642816, 645120, 653184, 663552, 666624, 677970, 699840, 703080, 714240, 723168, 725760, 746496, 749952, 761856, 774144, 790965, 803520, 816480, 829440, 833280, 843696, 857088, 860160, 870912, 888832, 903960, 933120, 937440, 949158, 952320, 964224, 967680, 979776, 995328, 999936, 1054620, 1071360, 1084752, 1088640, 1105920, 1111040, 1119744, 1124928, 1142784, 1161216, 1205280, 1224720, 1244160, 1249920, 1265544, 1269760, 1285632, 1290240, 1306368, 1333248, 1355940, 1399680, 1406160, 1428480, 1446336, 1451520, 1492992, 1499904, 1548288, 1581930, 1607040, 1632960, 1658880, 1666560, 1687392, 1714176, 1741824, 1777664, 1807920, 1866240, 1874880, 1898316, 1904640, 1928448, 1935360, 1959552, 1990656, 1999872, 2109240, 2142720, 2169504, 2177280, 2222080, 2239488, 2249856, 2285568, 2322432, 2372895, 2410560, 2449440, 2488320, 2499840, 2531088, 2571264, 2580480, 2612736, 2666496, 2711880, 2799360, 2812320, 2856960, 2892672, 2903040, 2985984, 2999808, 3163860, 3214080, 3265920, 3317760, 3333120, 3374784, 3428352, 3483648, 3615840, 3732480, 3749760, 3796632, 3809280, 3856896, 3870720, 3919104, 3999744, 4218480, 4285440, 4339008, 4354560, 4444160, 4478976, 4499712, 4644864, 4745790, 4821120, 4898880, 4976640, 4999680, 5062176, 5142528, 5225472, 5332992, 5423760, 5598720, 5624640, 5713920, 5785344, 5806080, 5971968, 5999616, 6327720, 6428160, 6531840, 6666240, 6749568, 6856704, 6967296, 7231680, 7464960, 7499520, 7593264, 7713792, 7741440, 7838208, 7999488, 8436960, 8570880, 8678016, 8709120, 8888320, 8957952, 8999424, 9491580, 9642240, 9797760, 9953280, 9999360, 10124352, 10285056, 10450944, 10847520, 11197440, 11249280, 11427840, 11570688, 11612160, 11999232, 12655440, 12856320, 13063680, 13332480, 13499136, 13934592, 14463360, 14929920, 14999040, 15186528, 15427584, 15676416, 15998976, 16873920, 17141760, 17356032, 17418240, 17915904, 17998848, 18983160, 19284480, 19595520, 19998720, 20248704, 20570112, 20901888, 21695040, 22394880, 22498560, 23141376, 23224320, 23998464, 25310880, 25712640, 26127360, 26664960, 26998272, 28926720, 29859840, 29998080, 30373056, 30855168, 31352832, 33747840, 34283520, 34712064, 34836480, 35997696, 37966320, 38568960, 39191040, 39997440, 40497408, 41803776, 43390080, 44789760, 44997120, 46282752, 47996928, 50621760, 51425280, 52254720, 53996544, 57853440, 59996160, 60746112, 61710336, 62705664, 67495680, 69424128, 69672960, 71995392, 75932640, 77137920, 78382080, 79994880, 80994816, 86780160, 89579520, 89994240, 92565504, 101243520, 102850560, 104509440, 107993088, 115706880, 119992320, 121492224, 125411328, 134991360, 138848256, 143990784, 151865280, 154275840, 156764160, 161989632, 173560320, 179988480, 185131008, 202487040, 209018880, 215986176, 231413760, 239984640, 242984448, 269982720, 277696512, 303730560, 308551680, 313528320, 323979264, 347120640, 359976960, 404974080, 431972352, 462827520, 485968896, 539965440, 555393024, 607461120, 627056640, 647958528, 694241280, 719953920, 809948160, 925655040, 971937792, 1079930880, 1214922240, 1295917056, 1388482560, 1619896320, 1943875584, 2159861760, 2429844480, 2776965120, 3239792640, 3887751168, 4859688960, 6479585280, 9719377920, 19438755840]

約数ペア:

[(1, 19438755840), (2, 9719377920), (3, 6479585280), (4, 4859688960), (5, 3887751168), (6, 3239792640), (7, 2776965120), (8, 2429844480), (9, 2159861760), (10, 1943875584), (12, 1619896320), (14, 1388482560), (15, 1295917056), (16, 1214922240), (18, 1079930880), (20, 971937792), (21, 925655040), (24, 809948160), (27, 719953920), (28, 694241280), (30, 647958528), (31, 627056640), (32, 607461120), (35, 555393024), (36, 539965440), (40, 485968896), (42, 462827520), (45, 431972352), (48, 404974080), (54, 359976960), (56, 347120640), (60, 323979264), (62, 313528320), (63, 308551680), (64, 303730560), (70, 277696512), (72, 269982720), (80, 242984448), (81, 239984640), (84, 231413760), (90, 215986176), (93, 209018880), (96, 202487040), (105, 185131008), (108, 179988480), (112, 173560320), (120, 161989632), (124, 156764160), (126, 154275840), (128, 151865280), (135, 143990784), (140, 138848256), (144, 134991360), (155, 125411328), (160, 121492224), (162, 119992320), (168, 115706880), (180, 107993088), (186, 104509440), (189, 102850560), (192, 101243520), (210, 92565504), (216, 89994240), (217, 89579520), (224, 86780160), (240, 80994816), (243, 79994880), (248, 78382080), (252, 77137920), (256, 75932640), (270, 71995392), (279, 69672960), (280, 69424128), (288, 67495680), (310, 62705664), (315, 61710336), (320, 60746112), (324, 59996160), (336, 57853440), (360, 53996544), (372, 52254720), (378, 51425280), (384, 50621760), (405, 47996928), (420, 46282752), (432, 44997120), (434, 44789760), (448, 43390080), (465, 41803776), (480, 40497408), (486, 39997440), (496, 39191040), (504, 38568960), (512, 37966320), (540, 35997696), (558, 34836480), (560, 34712064), (567, 34283520), (576, 33747840), (620, 31352832), (630, 30855168), (640, 30373056), (648, 29998080), (651, 29859840), (672, 28926720), (720, 26998272), (729, 26664960), (744, 26127360), (756, 25712640), (768, 25310880), (810, 23998464), (837, 23224320), (840, 23141376), (864, 22498560), (868, 22394880), (896, 21695040), (930, 20901888), (945, 20570112), (960, 20248704), (972, 19998720), (992, 19595520), (1008, 19284480), (1024, 18983160), (1080, 17998848), (1085, 17915904), (1116, 17418240), (1120, 17356032), (1134, 17141760), (1152, 16873920), (1215, 15998976), (1240, 15676416), (1260, 15427584), (1280, 15186528), (1296, 14999040), (1302, 14929920), (1344, 14463360), (1395, 13934592), (1440, 13499136), (1458, 13332480), (1488, 13063680), (1512, 12856320), (1536, 12655440), (1620, 11999232), (1674, 11612160), (1680, 11570688), (1701, 11427840), (1728, 11249280), (1736, 11197440), (1792, 10847520), (1860, 10450944), (1890, 10285056), (1920, 10124352), (1944, 9999360), (1953, 9953280), (1984, 9797760), (2016, 9642240), (2048, 9491580), (2160, 8999424), (2170, 8957952), (2187, 8888320), (2232, 8709120), (2240, 8678016), (2268, 8570880), (2304, 8436960), (2430, 7999488), (2480, 7838208), (2511, 7741440), (2520, 7713792), (2560, 7593264), (2592, 7499520), (2604, 7464960), (2688, 7231680), (2790, 6967296), (2835, 6856704), (2880, 6749568), (2916, 6666240), (2976, 6531840), (3024, 6428160), (3072, 6327720), (3240, 5999616), (3255, 5971968), (3348, 5806080), (3360, 5785344), (3402, 5713920), (3456, 5624640), (3472, 5598720), (3584, 5423760), (3645, 5332992), (3720, 5225472), (3780, 5142528), (3840, 5062176), (3888, 4999680), (3906, 4976640), (3968, 4898880), (4032, 4821120), (4096, 4745790), (4185, 4644864), (4320, 4499712), (4340, 4478976), (4374, 4444160), (4464, 4354560), (4480, 4339008), (4536, 4285440), (4608, 4218480), (4860, 3999744), (4960, 3919104), (5022, 3870720), (5040, 3856896), (5103, 3809280), (5120, 3796632), (5184, 3749760), (5208, 3732480), (5376, 3615840), (5580, 3483648), (5670, 3428352), (5760, 3374784), (5832, 3333120), (5859, 3317760), (5952, 3265920), (6048, 3214080), (6144, 3163860), (6480, 2999808), (6510, 2985984), (6696, 2903040), (6720, 2892672), (6804, 2856960), (6912, 2812320), (6944, 2799360), (7168, 2711880), (7290, 2666496), (7440, 2612736), (7533, 2580480), (7560, 2571264), (7680, 2531088), (7776, 2499840), (7812, 2488320), (7936, 2449440), (8064, 2410560), (8192, 2372895), (8370, 2322432), (8505, 2285568), (8640, 2249856), (8680, 2239488), (8748, 2222080), (8928, 2177280), (8960, 2169504), (9072, 2142720), (9216, 2109240), (9720, 1999872), (9765, 1990656), (9920, 1959552), (10044, 1935360), (10080, 1928448), (10206, 1904640), (10240, 1898316), (10368, 1874880), (10416, 1866240), (10752, 1807920), (10935, 1777664), (11160, 1741824), (11340, 1714176), (11520, 1687392), (11664, 1666560), (11718, 1658880), (11904, 1632960), (12096, 1607040), (12288, 1581930), (12555, 1548288), (12960, 1499904), (13020, 1492992), (13392, 1451520), (13440, 1446336), (13608, 1428480), (13824, 1406160), (13888, 1399680), (14336, 1355940), (14580, 1333248), (14880, 1306368), (15066, 1290240), (15120, 1285632), (15309, 1269760), (15360, 1265544), (15552, 1249920), (15624, 1244160), (15872, 1224720), (16128, 1205280), (16740, 1161216), (17010, 1142784), (17280, 1124928), (17360, 1119744), (17496, 1111040), (17577, 1105920), (17856, 1088640), (17920, 1084752), (18144, 1071360), (18432, 1054620), (19440, 999936), (19530, 995328), (19840, 979776), (20088, 967680), (20160, 964224), (20412, 952320), (20480, 949158), (20736, 937440), (20832, 933120), (21504, 903960), (21870, 888832), (22320, 870912), (22599, 860160), (22680, 857088), (23040, 843696), (23328, 833280), (23436, 829440), (23808, 816480), (24192, 803520), (24576, 790965), (25110, 774144), (25515, 761856), (25920, 749952), (26040, 746496), (26784, 725760), (26880, 723168), (27216, 714240), (27648, 703080), (27776, 699840), (28672, 677970), (29160, 666624), (29295, 663552), (29760, 653184), (30132, 645120), (30240, 642816), (30618, 634880), (30720, 632772), (31104, 624960), (31248, 622080), (31744, 612360), (32256, 602640), (33480, 580608), (34020, 571392), (34560, 562464), (34720, 559872), (34992, 555520), (35154, 552960), (35712, 544320), (35840, 542376), (36288, 535680), (36864, 527310), (37665, 516096), (38880, 499968), (39060, 497664), (39680, 489888), (40176, 483840), (40320, 482112), (40824, 476160), (40960, 474579), (41472, 468720), (41664, 466560), (43008, 451980), (43740, 444416), (44640, 435456), (45198, 430080), (45360, 428544), (46080, 421848), (46656, 416640), (46872, 414720), (47616, 408240), (48384, 401760), (50220, 387072), (51030, 380928), (51840, 374976), (52080, 373248), (52731, 368640), (53568, 362880), (53760, 361584), (54432, 357120), (55296, 351540), (55552, 349920), (57344, 338985), (58320, 333312), (58590, 331776), (59520, 326592), (60264, 322560), (60480, 321408), (61236, 317440), (61440, 316386), (62208, 312480), (62496, 311040), (63488, 306180), (64512, 301320), (66960, 290304), (67797, 286720), (68040, 285696), (69120, 281232), (69440, 279936), (69984, 277760), (70308, 276480), (71424, 272160), (71680, 271188), (72576, 267840), (73728, 263655), (75330, 258048), (76545, 253952), (77760, 249984), (78120, 248832), (79360, 244944), (80352, 241920), (80640, 241056), (81648, 238080), (82944, 234360), (83328, 233280), (86016, 225990), (87480, 222208), (87885, 221184), (89280, 217728), (90396, 215040), (90720, 214272), (92160, 210924), (93312, 208320), (93744, 207360), (95232, 204120), (96768, 200880), (100440, 193536), (102060, 190464), (103680, 187488), (104160, 186624), (105462, 184320), (107136, 181440), (107520, 180792), (108864, 178560), (110592, 175770), (111104, 174960), (112995, 172032), (116640, 166656), (117180, 165888), (119040, 163296), (120528, 161280), (120960, 160704), (122472, 158720), (122880, 158193), (124416, 156240), (124992, 155520), (126976, 153090), (129024, 150660), (133920, 145152), (135594, 143360), (136080, 142848), (138240, 140616), (138880, 139968)]