19956817920

素因数分解:

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

素因数の和:122

約数の個数: 504

約数和(自身を含む): 71450457048

約数和(自身を除く): 51493639128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 169, 186, 192, 195, 208, 240, 248, 256, 260, 310, 312, 320, 338, 372, 384, 390, 403, 416, 465, 480, 496, 507, 512, 520, 620, 624, 640, 676, 744, 768, 780, 806, 832, 845, 930, 960, 961, 992, 1014, 1024, 1040, 1209, 1240, 1248, 1280, 1352, 1488, 1536, 1560, 1612, 1664, 1690, 1860, 1920, 1922, 1984, 2015, 2028, 2048, 2080, 2418, 2480, 2496, 2535, 2560, 2704, 2883, 2976, 3072, 3120, 3224, 3328, 3380, 3720, 3840, 3844, 3968, 4030, 4056, 4096, 4160, 4805, 4836, 4960, 4992, 5070, 5120, 5239, 5408, 5766, 5952, 6045, 6144, 6240, 6448, 6656, 6760, 7440, 7680, 7688, 7936, 8060, 8112, 8192, 8320, 9610, 9672, 9920, 9984, 10140, 10240, 10478, 10816, 11532, 11904, 12090, 12288, 12480, 12493, 12896, 13312, 13520, 14415, 14880, 15360, 15376, 15717, 15872, 16120, 16224, 16640, 19220, 19344, 19840, 19968, 20280, 20480, 20956, 21632, 23064, 23808, 24180, 24576, 24960, 24986, 25792, 26195, 26624, 27040, 28830, 29760, 30720, 30752, 31434, 31744, 32240, 32448, 33280, 37479, 38440, 38688, 39680, 39936, 40560, 40960, 41912, 43264, 46128, 47616, 48360, 49920, 49972, 51584, 52390, 53248, 54080, 57660, 59520, 61440, 61504, 62465, 62868, 63488, 64480, 64896, 66560, 74958, 76880, 77376, 78585, 79360, 79872, 81120, 83824, 86528, 92256, 95232, 96720, 99840, 99944, 103168, 104780, 106496, 108160, 115320, 119040, 122880, 123008, 124930, 125736, 126976, 128960, 129792, 133120, 149916, 153760, 154752, 157170, 158720, 159744, 162240, 162409, 167648, 173056, 184512, 187395, 190464, 193440, 199680, 199888, 206336, 209560, 216320, 230640, 238080, 246016, 249860, 251472, 253952, 257920, 259584, 266240, 299832, 307520, 309504, 314340, 317440, 319488, 324480, 324818, 335296, 346112, 369024, 374790, 380928, 386880, 399360, 399776, 412672, 419120, 432640, 461280, 476160, 487227, 492032, 499720, 502944, 515840, 519168, 532480, 599664, 615040, 619008, 628680, 634880, 648960, 649636, 670592, 692224, 738048, 749580, 761856, 773760, 798720, 799552, 812045, 825344, 838240, 865280, 922560, 952320, 974454, 984064, 999440, 1005888, 1031680, 1038336, 1199328, 1230080, 1238016, 1257360, 1269760, 1297920, 1299272, 1341184, 1384448, 1476096, 1499160, 1547520, 1597440, 1599104, 1624090, 1650688, 1676480, 1730560, 1845120, 1904640, 1948908, 1968128, 1998880, 2011776, 2063360, 2076672, 2398656, 2436135, 2460160, 2476032, 2514720, 2595840, 2598544, 2682368, 2952192, 2998320, 3095040, 3198208, 3248180, 3301376, 3352960, 3461120, 3690240, 3809280, 3897816, 3936256, 3997760, 4023552, 4126720, 4153344, 4797312, 4872270, 4920320, 4952064, 5029440, 5191680, 5197088, 5364736, 5904384, 5996640, 6190080, 6396416, 6496360, 6705920, 6922240, 7380480, 7795632, 7872512, 7995520, 8047104, 8253440, 9594624, 9744540, 9840640, 9904128, 10058880, 10383360, 10394176, 10729472, 11808768, 11993280, 12380160, 12792832, 12992720, 13411840, 14760960, 15591264, 15991040, 16094208, 16506880, 19189248, 19489080, 19681280, 20117760, 20766720, 20788352, 21458944, 23617536, 23986560, 24760320, 25585664, 25985440, 26823680, 29521920, 31182528, 31982080, 32188416, 38378496, 38978160, 39362560, 40235520, 41576704, 42917888, 47973120, 49520640, 51171328, 51970880, 53647360, 59043840, 62365056, 63964160, 64376832, 76756992, 77956320, 80471040, 83153408, 95946240, 102342656, 103941760, 107294720, 118087680, 124730112, 127928320, 128753664, 153513984, 155912640, 160942080, 166306816, 191892480, 207883520, 214589440, 249460224, 255856640, 307027968, 311825280, 321884160, 332613632, 383784960, 415767040, 498920448, 511713280, 623650560, 643768320, 665227264, 767569920, 831534080, 997840896, 1247301120, 1330454528, 1535139840, 1663068160, 1995681792, 2494602240, 3326136320, 3991363584, 4989204480, 6652272640, 9978408960, 19956817920]

約数ペア:

[(1, 19956817920), (2, 9978408960), (3, 6652272640), (4, 4989204480), (5, 3991363584), (6, 3326136320), (8, 2494602240), (10, 1995681792), (12, 1663068160), (13, 1535139840), (15, 1330454528), (16, 1247301120), (20, 997840896), (24, 831534080), (26, 767569920), (30, 665227264), (31, 643768320), (32, 623650560), (39, 511713280), (40, 498920448), (48, 415767040), (52, 383784960), (60, 332613632), (62, 321884160), (64, 311825280), (65, 307027968), (78, 255856640), (80, 249460224), (93, 214589440), (96, 207883520), (104, 191892480), (120, 166306816), (124, 160942080), (128, 155912640), (130, 153513984), (155, 128753664), (156, 127928320), (160, 124730112), (169, 118087680), (186, 107294720), (192, 103941760), (195, 102342656), (208, 95946240), (240, 83153408), (248, 80471040), (256, 77956320), (260, 76756992), (310, 64376832), (312, 63964160), (320, 62365056), (338, 59043840), (372, 53647360), (384, 51970880), (390, 51171328), (403, 49520640), (416, 47973120), (465, 42917888), (480, 41576704), (496, 40235520), (507, 39362560), (512, 38978160), (520, 38378496), (620, 32188416), (624, 31982080), (640, 31182528), (676, 29521920), (744, 26823680), (768, 25985440), (780, 25585664), (806, 24760320), (832, 23986560), (845, 23617536), (930, 21458944), (960, 20788352), (961, 20766720), (992, 20117760), (1014, 19681280), (1024, 19489080), (1040, 19189248), (1209, 16506880), (1240, 16094208), (1248, 15991040), (1280, 15591264), (1352, 14760960), (1488, 13411840), (1536, 12992720), (1560, 12792832), (1612, 12380160), (1664, 11993280), (1690, 11808768), (1860, 10729472), (1920, 10394176), (1922, 10383360), (1984, 10058880), (2015, 9904128), (2028, 9840640), (2048, 9744540), (2080, 9594624), (2418, 8253440), (2480, 8047104), (2496, 7995520), (2535, 7872512), (2560, 7795632), (2704, 7380480), (2883, 6922240), (2976, 6705920), (3072, 6496360), (3120, 6396416), (3224, 6190080), (3328, 5996640), (3380, 5904384), (3720, 5364736), (3840, 5197088), (3844, 5191680), (3968, 5029440), (4030, 4952064), (4056, 4920320), (4096, 4872270), (4160, 4797312), (4805, 4153344), (4836, 4126720), (4960, 4023552), (4992, 3997760), (5070, 3936256), (5120, 3897816), (5239, 3809280), (5408, 3690240), (5766, 3461120), (5952, 3352960), (6045, 3301376), (6144, 3248180), (6240, 3198208), (6448, 3095040), (6656, 2998320), (6760, 2952192), (7440, 2682368), (7680, 2598544), (7688, 2595840), (7936, 2514720), (8060, 2476032), (8112, 2460160), (8192, 2436135), (8320, 2398656), (9610, 2076672), (9672, 2063360), (9920, 2011776), (9984, 1998880), (10140, 1968128), (10240, 1948908), (10478, 1904640), (10816, 1845120), (11532, 1730560), (11904, 1676480), (12090, 1650688), (12288, 1624090), (12480, 1599104), (12493, 1597440), (12896, 1547520), (13312, 1499160), (13520, 1476096), (14415, 1384448), (14880, 1341184), (15360, 1299272), (15376, 1297920), (15717, 1269760), (15872, 1257360), (16120, 1238016), (16224, 1230080), (16640, 1199328), (19220, 1038336), (19344, 1031680), (19840, 1005888), (19968, 999440), (20280, 984064), (20480, 974454), (20956, 952320), (21632, 922560), (23064, 865280), (23808, 838240), (24180, 825344), (24576, 812045), (24960, 799552), (24986, 798720), (25792, 773760), (26195, 761856), (26624, 749580), (27040, 738048), (28830, 692224), (29760, 670592), (30720, 649636), (30752, 648960), (31434, 634880), (31744, 628680), (32240, 619008), (32448, 615040), (33280, 599664), (37479, 532480), (38440, 519168), (38688, 515840), (39680, 502944), (39936, 499720), (40560, 492032), (40960, 487227), (41912, 476160), (43264, 461280), (46128, 432640), (47616, 419120), (48360, 412672), (49920, 399776), (49972, 399360), (51584, 386880), (52390, 380928), (53248, 374790), (54080, 369024), (57660, 346112), (59520, 335296), (61440, 324818), (61504, 324480), (62465, 319488), (62868, 317440), (63488, 314340), (64480, 309504), (64896, 307520), (66560, 299832), (74958, 266240), (76880, 259584), (77376, 257920), (78585, 253952), (79360, 251472), (79872, 249860), (81120, 246016), (83824, 238080), (86528, 230640), (92256, 216320), (95232, 209560), (96720, 206336), (99840, 199888), (99944, 199680), (103168, 193440), (104780, 190464), (106496, 187395), (108160, 184512), (115320, 173056), (119040, 167648), (122880, 162409), (123008, 162240), (124930, 159744), (125736, 158720), (126976, 157170), (128960, 154752), (129792, 153760), (133120, 149916)]