19671808000

素因数分解:

$2^{11}\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:330

約数の個数: 384

約数和(自身を含む): 55378028160

約数和(自身を除く): 35706220160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 32, 40, 46, 50, 52, 64, 65, 80, 92, 100, 104, 115, 125, 128, 130, 160, 184, 200, 208, 230, 250, 256, 257, 260, 299, 320, 325, 368, 400, 416, 460, 500, 512, 514, 520, 575, 598, 640, 650, 736, 800, 832, 920, 1000, 1024, 1028, 1040, 1150, 1196, 1280, 1285, 1300, 1472, 1495, 1600, 1625, 1664, 1840, 2000, 2048, 2056, 2080, 2300, 2392, 2560, 2570, 2600, 2875, 2944, 2990, 3200, 3250, 3328, 3341, 3680, 4000, 4112, 4160, 4600, 4784, 5120, 5140, 5200, 5750, 5888, 5911, 5980, 6400, 6425, 6500, 6656, 6682, 7360, 7475, 8000, 8224, 8320, 9200, 9568, 10240, 10280, 10400, 11500, 11776, 11822, 11960, 12800, 12850, 13000, 13312, 13364, 14720, 14950, 16000, 16448, 16640, 16705, 18400, 19136, 20560, 20800, 23000, 23552, 23644, 23920, 25600, 25700, 26000, 26624, 26728, 29440, 29555, 29900, 32000, 32125, 32896, 33280, 33410, 36800, 37375, 38272, 41120, 41600, 46000, 47104, 47288, 47840, 51200, 51400, 52000, 53456, 58880, 59110, 59800, 64000, 64250, 65792, 66560, 66820, 73600, 74750, 76544, 76843, 82240, 83200, 83525, 92000, 94576, 95680, 102800, 104000, 106912, 117760, 118220, 119600, 128000, 128500, 131584, 133120, 133640, 147200, 147775, 149500, 153088, 153686, 164480, 166400, 167050, 184000, 189152, 191360, 205600, 208000, 213824, 235520, 236440, 239200, 256000, 257000, 263168, 267280, 294400, 295550, 299000, 306176, 307372, 328960, 332800, 334100, 368000, 378304, 382720, 384215, 411200, 416000, 417625, 427648, 472880, 478400, 514000, 526336, 534560, 588800, 591100, 598000, 612352, 614744, 657920, 665600, 668200, 736000, 738875, 756608, 765440, 768430, 822400, 832000, 835250, 855296, 945760, 956800, 1028000, 1069120, 1177600, 1182200, 1196000, 1229488, 1315840, 1336400, 1472000, 1477750, 1513216, 1530880, 1536860, 1644800, 1664000, 1670500, 1710592, 1891520, 1913600, 1921075, 2056000, 2138240, 2364400, 2392000, 2458976, 2631680, 2672800, 2944000, 2955500, 3026432, 3061760, 3073720, 3289600, 3328000, 3341000, 3421184, 3783040, 3827200, 3842150, 4112000, 4276480, 4728800, 4784000, 4917952, 5345600, 5888000, 5911000, 6052864, 6147440, 6579200, 6682000, 6842368, 7566080, 7654400, 7684300, 8224000, 8552960, 9457600, 9568000, 9605375, 9835904, 10691200, 11822000, 12105728, 12294880, 13158400, 13364000, 15132160, 15308800, 15368600, 16448000, 17105920, 18915200, 19136000, 19210750, 19671808, 21382400, 23644000, 24589760, 26728000, 30264320, 30737200, 32896000, 34211840, 37830400, 38272000, 38421500, 39343616, 42764800, 47288000, 49179520, 53456000, 60528640, 61474400, 65792000, 75660800, 76544000, 76843000, 78687232, 85529600, 94576000, 98359040, 106912000, 122948800, 151321600, 153686000, 157374464, 171059200, 189152000, 196718080, 213824000, 245897600, 302643200, 307372000, 378304000, 393436160, 427648000, 491795200, 614744000, 756608000, 786872320, 855296000, 983590400, 1229488000, 1513216000, 1967180800, 2458976000, 3934361600, 4917952000, 9835904000, 19671808000]

約数ペア:

[(1, 19671808000), (2, 9835904000), (4, 4917952000), (5, 3934361600), (8, 2458976000), (10, 1967180800), (13, 1513216000), (16, 1229488000), (20, 983590400), (23, 855296000), (25, 786872320), (26, 756608000), (32, 614744000), (40, 491795200), (46, 427648000), (50, 393436160), (52, 378304000), (64, 307372000), (65, 302643200), (80, 245897600), (92, 213824000), (100, 196718080), (104, 189152000), (115, 171059200), (125, 157374464), (128, 153686000), (130, 151321600), (160, 122948800), (184, 106912000), (200, 98359040), (208, 94576000), (230, 85529600), (250, 78687232), (256, 76843000), (257, 76544000), (260, 75660800), (299, 65792000), (320, 61474400), (325, 60528640), (368, 53456000), (400, 49179520), (416, 47288000), (460, 42764800), (500, 39343616), (512, 38421500), (514, 38272000), (520, 37830400), (575, 34211840), (598, 32896000), (640, 30737200), (650, 30264320), (736, 26728000), (800, 24589760), (832, 23644000), (920, 21382400), (1000, 19671808), (1024, 19210750), (1028, 19136000), (1040, 18915200), (1150, 17105920), (1196, 16448000), (1280, 15368600), (1285, 15308800), (1300, 15132160), (1472, 13364000), (1495, 13158400), (1600, 12294880), (1625, 12105728), (1664, 11822000), (1840, 10691200), (2000, 9835904), (2048, 9605375), (2056, 9568000), (2080, 9457600), (2300, 8552960), (2392, 8224000), (2560, 7684300), (2570, 7654400), (2600, 7566080), (2875, 6842368), (2944, 6682000), (2990, 6579200), (3200, 6147440), (3250, 6052864), (3328, 5911000), (3341, 5888000), (3680, 5345600), (4000, 4917952), (4112, 4784000), (4160, 4728800), (4600, 4276480), (4784, 4112000), (5120, 3842150), (5140, 3827200), (5200, 3783040), (5750, 3421184), (5888, 3341000), (5911, 3328000), (5980, 3289600), (6400, 3073720), (6425, 3061760), (6500, 3026432), (6656, 2955500), (6682, 2944000), (7360, 2672800), (7475, 2631680), (8000, 2458976), (8224, 2392000), (8320, 2364400), (9200, 2138240), (9568, 2056000), (10240, 1921075), (10280, 1913600), (10400, 1891520), (11500, 1710592), (11776, 1670500), (11822, 1664000), (11960, 1644800), (12800, 1536860), (12850, 1530880), (13000, 1513216), (13312, 1477750), (13364, 1472000), (14720, 1336400), (14950, 1315840), (16000, 1229488), (16448, 1196000), (16640, 1182200), (16705, 1177600), (18400, 1069120), (19136, 1028000), (20560, 956800), (20800, 945760), (23000, 855296), (23552, 835250), (23644, 832000), (23920, 822400), (25600, 768430), (25700, 765440), (26000, 756608), (26624, 738875), (26728, 736000), (29440, 668200), (29555, 665600), (29900, 657920), (32000, 614744), (32125, 612352), (32896, 598000), (33280, 591100), (33410, 588800), (36800, 534560), (37375, 526336), (38272, 514000), (41120, 478400), (41600, 472880), (46000, 427648), (47104, 417625), (47288, 416000), (47840, 411200), (51200, 384215), (51400, 382720), (52000, 378304), (53456, 368000), (58880, 334100), (59110, 332800), (59800, 328960), (64000, 307372), (64250, 306176), (65792, 299000), (66560, 295550), (66820, 294400), (73600, 267280), (74750, 263168), (76544, 257000), (76843, 256000), (82240, 239200), (83200, 236440), (83525, 235520), (92000, 213824), (94576, 208000), (95680, 205600), (102800, 191360), (104000, 189152), (106912, 184000), (117760, 167050), (118220, 166400), (119600, 164480), (128000, 153686), (128500, 153088), (131584, 149500), (133120, 147775), (133640, 147200)]