19976676720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1697}}^1$

素因数の和:1758

約数の個数: 640

約数和(自身を含む): 84894566400

約数和(自身を除く): 64917889680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 48, 49, 52, 55, 56, 60, 65, 66, 70, 77, 78, 80, 84, 88, 91, 98, 104, 105, 110, 112, 120, 130, 132, 140, 143, 147, 154, 156, 165, 168, 176, 182, 195, 196, 208, 210, 220, 231, 240, 245, 260, 264, 273, 280, 286, 294, 308, 312, 330, 336, 343, 364, 385, 390, 392, 420, 429, 440, 455, 462, 490, 520, 528, 539, 546, 560, 572, 588, 616, 624, 637, 660, 686, 715, 728, 735, 770, 780, 784, 840, 858, 880, 910, 924, 980, 1001, 1029, 1040, 1078, 1092, 1144, 1155, 1176, 1232, 1274, 1320, 1365, 1372, 1430, 1456, 1470, 1540, 1560, 1617, 1680, 1697, 1715, 1716, 1820, 1848, 1911, 1960, 2002, 2058, 2145, 2156, 2184, 2288, 2310, 2352, 2548, 2640, 2695, 2730, 2744, 2860, 2940, 3003, 3080, 3120, 3185, 3234, 3394, 3430, 3432, 3640, 3696, 3773, 3822, 3920, 4004, 4116, 4290, 4312, 4368, 4459, 4620, 5005, 5091, 5096, 5145, 5390, 5460, 5488, 5720, 5880, 6006, 6160, 6370, 6468, 6788, 6860, 6864, 7007, 7280, 7546, 7644, 8008, 8085, 8232, 8485, 8580, 8624, 8918, 9240, 9555, 10010, 10182, 10192, 10290, 10780, 10920, 11319, 11440, 11760, 11879, 12012, 12740, 12936, 13377, 13576, 13720, 14014, 15015, 15092, 15288, 16016, 16170, 16464, 16970, 17160, 17836, 18480, 18667, 18865, 19110, 20020, 20364, 20580, 21021, 21560, 21840, 22061, 22295, 22638, 23758, 24024, 25455, 25480, 25872, 26754, 27152, 27440, 28028, 30030, 30184, 30576, 32340, 33940, 34320, 35035, 35637, 35672, 37334, 37730, 38220, 40040, 40728, 41160, 42042, 43120, 44122, 44590, 45276, 47516, 48048, 49049, 50910, 50960, 53508, 56001, 56056, 56595, 59395, 60060, 60368, 64680, 66183, 66885, 67880, 70070, 71274, 71344, 74668, 75460, 76440, 80080, 81456, 82320, 83153, 84084, 88244, 89180, 90552, 93335, 95032, 98098, 101820, 105105, 107016, 110305, 112002, 112112, 113190, 118790, 120120, 129360, 130669, 132366, 133770, 135760, 140140, 142548, 147147, 149336, 150920, 152880, 154427, 166306, 168168, 176488, 178185, 178360, 181104, 186670, 190064, 196196, 203640, 210210, 214032, 220610, 224004, 226380, 237580, 240240, 242671, 245245, 249459, 261338, 264732, 267540, 280005, 280280, 285096, 294294, 298672, 301840, 308854, 330915, 332612, 336336, 352976, 356370, 356720, 373340, 392007, 392392, 407280, 415765, 420420, 441220, 448008, 452760, 463281, 475160, 485342, 490490, 498918, 522676, 529464, 535080, 560010, 560560, 570192, 582071, 588588, 617708, 653345, 661830, 665224, 712740, 728013, 735735, 746680, 772135, 784014, 784784, 831530, 840840, 882440, 896016, 905520, 914683, 926562, 950320, 970684, 980980, 997836, 1045352, 1058928, 1070160, 1080989, 1120020, 1164142, 1177176, 1213355, 1235416, 1247295, 1306690, 1323660, 1330448, 1425480, 1456026, 1471470, 1493360, 1544270, 1568028, 1663060, 1681680, 1698697, 1746213, 1764880, 1829366, 1853124, 1941368, 1960035, 1961960, 1995672, 2090704, 2161978, 2240040, 2316405, 2328284, 2354352, 2426710, 2470832, 2494590, 2613380, 2647320, 2744049, 2850960, 2910355, 2912052, 2942940, 3088540, 3136056, 3242967, 3326120, 3397394, 3492426, 3640065, 3658732, 3706248, 3882736, 3920070, 3923920, 3991344, 4323956, 4480080, 4573415, 4632810, 4656568, 4853420, 4989180, 5096091, 5226760, 5294640, 5404945, 5488098, 5820710, 5824104, 5885880, 6177080, 6272112, 6402781, 6485934, 6652240, 6794788, 6984852, 7280130, 7317464, 7412496, 7566923, 7840140, 8493485, 8647912, 8731065, 9146830, 9265620, 9313136, 9706840, 9978360, 10192182, 10453520, 10809890, 10976196, 11641420, 11648208, 11771760, 11890879, 12354160, 12805562, 12971868, 13589576, 13720245, 13969704, 14560260, 14634928, 15133846, 15680280, 16214835, 16986970, 17295824, 17462130, 18293660, 18531240, 19208343, 19413680, 19956720, 20384364, 21619780, 21952392, 22700769, 23282840, 23781758, 25480455, 25611124, 25943736, 27179152, 27440490, 27939408, 29120520, 30267692, 31360560, 32013905, 32429670, 33973940, 34924260, 35672637, 36587320, 37062480, 37834615, 38416686, 40768728, 43239560, 43904784, 45401538, 46565680, 47563516, 50960910, 51222248, 51887472, 54880980, 58241040, 59454395, 60535384, 64027810, 64859340, 67947880, 69848520, 71345274, 73174640, 75669230, 76833372, 81537456, 83236153, 86479120, 90803076, 95127032, 96041715, 101921820, 102444496, 109761960, 113503845, 118908790, 121070768, 128055620, 129718680, 135895760, 139697040, 142690548, 151338460, 153666744, 166472306, 178363185, 181606152, 190254064, 192083430, 203843640, 219523920, 227007690, 237817580, 249708459, 256111240, 259437360, 285381096, 302676920, 307333488, 332944612, 356726370, 363212304, 384166860, 407687280, 416180765, 454015380, 475635160, 499416918, 512222480, 570762192, 605353840, 665889224, 713452740, 768333720, 832361530, 908030760, 951270320, 998833836, 1248542295, 1331778448, 1426905480, 1536667440, 1664723060, 1816061520, 1997667672, 2497084590, 2853810960, 3329446120, 3995335344, 4994169180, 6658892240, 9988338360, 19976676720]

約数ペア:

[(1, 19976676720), (2, 9988338360), (3, 6658892240), (4, 4994169180), (5, 3995335344), (6, 3329446120), (7, 2853810960), (8, 2497084590), (10, 1997667672), (11, 1816061520), (12, 1664723060), (13, 1536667440), (14, 1426905480), (15, 1331778448), (16, 1248542295), (20, 998833836), (21, 951270320), (22, 908030760), (24, 832361530), (26, 768333720), (28, 713452740), (30, 665889224), (33, 605353840), (35, 570762192), (39, 512222480), (40, 499416918), (42, 475635160), (44, 454015380), (48, 416180765), (49, 407687280), (52, 384166860), (55, 363212304), (56, 356726370), (60, 332944612), (65, 307333488), (66, 302676920), (70, 285381096), (77, 259437360), (78, 256111240), (80, 249708459), (84, 237817580), (88, 227007690), (91, 219523920), (98, 203843640), (104, 192083430), (105, 190254064), (110, 181606152), (112, 178363185), (120, 166472306), (130, 153666744), (132, 151338460), (140, 142690548), (143, 139697040), (147, 135895760), (154, 129718680), (156, 128055620), (165, 121070768), (168, 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