81491998000

素因数分解:

$2^4\times 5^3\times 7^3\times {\mathrm{211}}^1\times {\mathrm{563}}^1$

素因数の和:818

約数の個数: 320

約数和(自身を含む): 231292339200

約数和(自身を除く): 149800341200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 211, 245, 250, 280, 343, 350, 392, 400, 422, 490, 500, 560, 563, 686, 700, 784, 844, 875, 980, 1000, 1055, 1126, 1225, 1372, 1400, 1477, 1688, 1715, 1750, 1960, 2000, 2110, 2252, 2450, 2744, 2800, 2815, 2954, 3376, 3430, 3500, 3920, 3941, 4220, 4504, 4900, 5275, 5488, 5630, 5908, 6125, 6860, 7000, 7385, 7882, 8440, 8575, 9008, 9800, 10339, 10550, 11260, 11816, 12250, 13720, 14000, 14075, 14770, 15764, 16880, 17150, 19600, 19705, 20678, 21100, 22520, 23632, 24500, 26375, 27440, 27587, 28150, 29540, 31528, 34300, 36925, 39410, 41356, 42200, 42875, 45040, 49000, 51695, 52750, 55174, 56300, 59080, 63056, 68600, 70375, 72373, 73850, 78820, 82712, 84400, 85750, 98000, 98525, 103390, 105500, 110348, 112600, 118160, 118793, 137200, 137935, 140750, 144746, 147700, 157640, 165424, 171500, 184625, 193109, 197050, 206780, 211000, 220696, 225200, 237586, 258475, 275870, 281500, 289492, 295400, 315280, 343000, 361865, 369250, 386218, 394100, 413560, 422000, 441392, 475172, 492625, 516950, 551740, 563000, 578984, 590800, 593965, 686000, 689675, 723730, 738500, 772436, 788200, 827120, 831551, 950344, 965545, 985250, 1033900, 1103480, 1126000, 1157968, 1187930, 1292375, 1379350, 1447460, 1477000, 1544872, 1576400, 1663102, 1809325, 1900688, 1931090, 1970500, 2067800, 2206960, 2375860, 2584750, 2758700, 2894920, 2954000, 2969825, 3089744, 3326204, 3448375, 3618650, 3862180, 3941000, 4135600, 4157755, 4751720, 4827725, 5169500, 5517400, 5789840, 5820857, 5939650, 6652408, 6896750, 7237300, 7724360, 7882000, 8315510, 9046625, 9503440, 9655450, 10339000, 11034800, 11641714, 11879300, 13304816, 13793500, 14474600, 14849125, 15448720, 16631020, 18093250, 19310900, 20678000, 20788775, 23283428, 23758600, 24138625, 27587000, 28949200, 29104285, 29698250, 33262040, 36186500, 38621800, 40745999, 41577550, 46566856, 47517200, 48277250, 55174000, 58208570, 59396500, 66524080, 72373000, 77243600, 81491998, 83155100, 93133712, 96554500, 103943875, 116417140, 118793000, 144746000, 145521425, 162983996, 166310200, 193109000, 203729995, 207887750, 232834280, 237586000, 291042850, 325967992, 332620400, 386218000, 407459990, 415775500, 465668560, 582085700, 651935984, 727607125, 814919980, 831551000, 1018649975, 1164171400, 1455214250, 1629839960, 1663102000, 2037299950, 2328342800, 2910428500, 3259679920, 4074599900, 5093249875, 5820857000, 8149199800, 10186499750, 11641714000, 16298399600, 20372999500, 40745999000, 81491998000]

約数ペア:

[(1, 81491998000), (2, 40745999000), (4, 20372999500), (5, 16298399600), (7, 11641714000), (8, 10186499750), (10, 8149199800), (14, 5820857000), (16, 5093249875), (20, 4074599900), (25, 3259679920), (28, 2910428500), (35, 2328342800), (40, 2037299950), (49, 1663102000), (50, 1629839960), (56, 1455214250), (70, 1164171400), (80, 1018649975), (98, 831551000), (100, 814919980), (112, 727607125), (125, 651935984), (140, 582085700), (175, 465668560), (196, 415775500), (200, 407459990), (211, 386218000), (245, 332620400), (250, 325967992), (280, 291042850), (343, 237586000), (350, 232834280), (392, 207887750), (400, 203729995), (422, 193109000), (490, 166310200), (500, 162983996), (560, 145521425), (563, 144746000), (686, 118793000), (700, 116417140), (784, 103943875), (844, 96554500), (875, 93133712), (980, 83155100), (1000, 81491998), (1055, 77243600), (1126, 72373000), (1225, 66524080), (1372, 59396500), (1400, 58208570), (1477, 55174000), (1688, 48277250), (1715, 47517200), (1750, 46566856), (1960, 41577550), (2000, 40745999), (2110, 38621800), (2252, 36186500), (2450, 33262040), (2744, 29698250), (2800, 29104285), (2815, 28949200), (2954, 27587000), (3376, 24138625), (3430, 23758600), (3500, 23283428), (3920, 20788775), (3941, 20678000), (4220, 19310900), (4504, 18093250), (4900, 16631020), (5275, 15448720), (5488, 14849125), (5630, 14474600), (5908, 13793500), (6125, 13304816), (6860, 11879300), (7000, 11641714), (7385, 11034800), (7882, 10339000), (8440, 9655450), (8575, 9503440), (9008, 9046625), (9800, 8315510), (10339, 7882000), (10550, 7724360), (11260, 7237300), (11816, 6896750), (12250, 6652408), (13720, 5939650), (14000, 5820857), (14075, 5789840), (14770, 5517400), (15764, 5169500), (16880, 4827725), (17150, 4751720), (19600, 4157755), (19705, 4135600), (20678, 3941000), (21100, 3862180), (22520, 3618650), (23632, 3448375), (24500, 3326204), (26375, 3089744), (27440, 2969825), (27587, 2954000), (28150, 2894920), (29540, 2758700), (31528, 2584750), (34300, 2375860), (36925, 2206960), (39410, 2067800), (41356, 1970500), (42200, 1931090), (42875, 1900688), (45040, 1809325), (49000, 1663102), (51695, 1576400), (52750, 1544872), (55174, 1477000), (56300, 1447460), (59080, 1379350), (63056, 1292375), (68600, 1187930), (70375, 1157968), (72373, 1126000), (73850, 1103480), (78820, 1033900), (82712, 985250), (84400, 965545), (85750, 950344), (98000, 831551), (98525, 827120), (103390, 788200), (105500, 772436), (110348, 738500), (112600, 723730), (118160, 689675), (118793, 686000), (137200, 593965), (137935, 590800), (140750, 578984), (144746, 563000), (147700, 551740), (157640, 516950), (165424, 492625), (171500, 475172), (184625, 441392), (193109, 422000), (197050, 413560), (206780, 394100), (211000, 386218), (220696, 369250), (225200, 361865), (237586, 343000), (258475, 315280), (275870, 295400), (281500, 289492)]