20719134720

素因数分解:

$2^{11}\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{547}}^1$

素因数の和:720

約数の個数: 384

約数和(自身を含む): 74323267200

約数和(自身を除く): 53604132480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 137, 144, 160, 180, 192, 216, 240, 256, 270, 274, 288, 320, 360, 384, 411, 432, 480, 512, 540, 547, 548, 576, 640, 685, 720, 768, 822, 864, 960, 1024, 1080, 1094, 1096, 1152, 1233, 1280, 1370, 1440, 1536, 1641, 1644, 1728, 1920, 2048, 2055, 2160, 2188, 2192, 2304, 2466, 2560, 2735, 2740, 2880, 3072, 3282, 3288, 3456, 3699, 3840, 4110, 4320, 4376, 4384, 4608, 4923, 4932, 5120, 5470, 5480, 5760, 6144, 6165, 6564, 6576, 6912, 7398, 7680, 8205, 8220, 8640, 8752, 8768, 9216, 9846, 9864, 10240, 10940, 10960, 11520, 12330, 13128, 13152, 13824, 14769, 14796, 15360, 16410, 16440, 17280, 17504, 17536, 18432, 18495, 19692, 19728, 21880, 21920, 23040, 24615, 24660, 26256, 26304, 27648, 29538, 29592, 30720, 32820, 32880, 34560, 35008, 35072, 36990, 39384, 39456, 43760, 43840, 46080, 49230, 49320, 52512, 52608, 55296, 59076, 59184, 65640, 65760, 69120, 70016, 70144, 73845, 73980, 74939, 78768, 78912, 87520, 87680, 92160, 98460, 98640, 105024, 105216, 118152, 118368, 131280, 131520, 138240, 140032, 140288, 147690, 147960, 149878, 157536, 157824, 175040, 175360, 196920, 197280, 210048, 210432, 224817, 236304, 236736, 262560, 263040, 276480, 280064, 280576, 295380, 295920, 299756, 315072, 315648, 350080, 350720, 374695, 393840, 394560, 420096, 420864, 449634, 472608, 473472, 525120, 526080, 560128, 590760, 591840, 599512, 630144, 631296, 674451, 700160, 701440, 749390, 787680, 789120, 840192, 841728, 899268, 945216, 946944, 1050240, 1052160, 1120256, 1124085, 1181520, 1183680, 1199024, 1260288, 1262592, 1348902, 1400320, 1402880, 1498780, 1575360, 1578240, 1680384, 1798536, 1890432, 1893888, 2023353, 2100480, 2104320, 2248170, 2363040, 2367360, 2398048, 2520576, 2525184, 2697804, 2800640, 2997560, 3150720, 3156480, 3360768, 3372255, 3597072, 3780864, 3787776, 4046706, 4200960, 4208640, 4496340, 4726080, 4734720, 4796096, 5041152, 5395608, 5601280, 5995120, 6301440, 6312960, 6744510, 7194144, 7561728, 7575552, 8093412, 8401920, 8992680, 9452160, 9469440, 9592192, 10082304, 10116765, 10791216, 11990240, 12602880, 12625920, 13489020, 14388288, 15123456, 16186824, 16803840, 17985360, 18904320, 18938880, 19184384, 20233530, 21582432, 23980480, 25205760, 26978040, 28776576, 30246912, 32373648, 35970720, 37808640, 37877760, 38368768, 40467060, 43164864, 47960960, 50411520, 53956080, 57553152, 64747296, 71941440, 75617280, 76737536, 80934120, 86329728, 95921920, 107912160, 115106304, 129494592, 143882880, 151234560, 153475072, 161868240, 172659456, 191843840, 215824320, 230212608, 258989184, 287765760, 323736480, 345318912, 383687680, 431648640, 460425216, 517978368, 575531520, 647472960, 690637824, 767375360, 863297280, 1035956736, 1151063040, 1294945920, 1381275648, 1726594560, 2071913472, 2302126080, 2589891840, 3453189120, 4143826944, 5179783680, 6906378240, 10359567360, 20719134720]

約数ペア:

[(1, 20719134720), (2, 10359567360), (3, 6906378240), (4, 5179783680), (5, 4143826944), (6, 3453189120), (8, 2589891840), (9, 2302126080), (10, 2071913472), (12, 1726594560), (15, 1381275648), (16, 1294945920), (18, 1151063040), (20, 1035956736), (24, 863297280), (27, 767375360), (30, 690637824), (32, 647472960), (36, 575531520), (40, 517978368), (45, 460425216), (48, 431648640), (54, 383687680), (60, 345318912), (64, 323736480), (72, 287765760), (80, 258989184), (90, 230212608), (96, 215824320), (108, 191843840), (120, 172659456), (128, 161868240), (135, 153475072), (137, 151234560), (144, 143882880), (160, 129494592), (180, 115106304), (192, 107912160), (216, 95921920), (240, 86329728), (256, 80934120), (270, 76737536), (274, 75617280), (288, 71941440), (320, 64747296), (360, 57553152), (384, 53956080), (411, 50411520), (432, 47960960), (480, 43164864), (512, 40467060), (540, 38368768), (547, 37877760), (548, 37808640), (576, 35970720), (640, 32373648), (685, 30246912), (720, 28776576), (768, 26978040), (822, 25205760), (864, 23980480), (960, 21582432), (1024, 20233530), (1080, 19184384), (1094, 18938880), (1096, 18904320), (1152, 17985360), (1233, 16803840), (1280, 16186824), (1370, 15123456), (1440, 14388288), (1536, 13489020), (1641, 12625920), (1644, 12602880), (1728, 11990240), (1920, 10791216), (2048, 10116765), (2055, 10082304), (2160, 9592192), (2188, 9469440), (2192, 9452160), (2304, 8992680), (2466, 8401920), (2560, 8093412), (2735, 7575552), (2740, 7561728), (2880, 7194144), (3072, 6744510), (3282, 6312960), (3288, 6301440), (3456, 5995120), (3699, 5601280), (3840, 5395608), (4110, 5041152), (4320, 4796096), (4376, 4734720), (4384, 4726080), (4608, 4496340), (4923, 4208640), (4932, 4200960), (5120, 4046706), (5470, 3787776), (5480, 3780864), (5760, 3597072), (6144, 3372255), (6165, 3360768), (6564, 3156480), (6576, 3150720), (6912, 2997560), (7398, 2800640), (7680, 2697804), (8205, 2525184), (8220, 2520576), (8640, 2398048), (8752, 2367360), (8768, 2363040), (9216, 2248170), (9846, 2104320), (9864, 2100480), (10240, 2023353), (10940, 1893888), (10960, 1890432), (11520, 1798536), (12330, 1680384), (13128, 1578240), (13152, 1575360), (13824, 1498780), (14769, 1402880), (14796, 1400320), (15360, 1348902), (16410, 1262592), (16440, 1260288), (17280, 1199024), (17504, 1183680), (17536, 1181520), (18432, 1124085), (18495, 1120256), (19692, 1052160), (19728, 1050240), (21880, 946944), (21920, 945216), (23040, 899268), (24615, 841728), (24660, 840192), (26256, 789120), (26304, 787680), (27648, 749390), (29538, 701440), (29592, 700160), (30720, 674451), (32820, 631296), (32880, 630144), (34560, 599512), (35008, 591840), (35072, 590760), (36990, 560128), (39384, 526080), (39456, 525120), (43760, 473472), (43840, 472608), (46080, 449634), (49230, 420864), (49320, 420096), (52512, 394560), (52608, 393840), (55296, 374695), (59076, 350720), (59184, 350080), (65640, 315648), (65760, 315072), (69120, 299756), (70016, 295920), (70144, 295380), (73845, 280576), (73980, 280064), (74939, 276480), (78768, 263040), (78912, 262560), (87520, 236736), (87680, 236304), (92160, 224817), (98460, 210432), (98640, 210048), (105024, 197280), (105216, 196920), (118152, 175360), (118368, 175040), (131280, 157824), (131520, 157536), (138240, 149878), (140032, 147960), (140288, 147690)]