81930240

素因数分解:

$2^{11}\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1$

素因数の和:167

約数の個数: 288

約数和(自身を含む): 327075840

約数和(自身を除く): 245145600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 127, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 254, 256, 280, 288, 315, 320, 336, 360, 381, 384, 420, 448, 480, 504, 508, 512, 560, 576, 630, 635, 640, 672, 720, 762, 768, 840, 889, 896, 960, 1008, 1016, 1024, 1120, 1143, 1152, 1260, 1270, 1280, 1344, 1440, 1524, 1536, 1680, 1778, 1792, 1905, 1920, 2016, 2032, 2048, 2240, 2286, 2304, 2520, 2540, 2560, 2667, 2688, 2880, 3048, 3072, 3360, 3556, 3584, 3810, 3840, 4032, 4064, 4445, 4480, 4572, 4608, 5040, 5080, 5120, 5334, 5376, 5715, 5760, 6096, 6144, 6720, 7112, 7168, 7620, 7680, 8001, 8064, 8128, 8890, 8960, 9144, 9216, 10080, 10160, 10240, 10668, 10752, 11430, 11520, 12192, 13335, 13440, 14224, 14336, 15240, 15360, 16002, 16128, 16256, 17780, 17920, 18288, 18432, 20160, 20320, 21336, 21504, 22860, 23040, 24384, 26670, 26880, 28448, 30480, 30720, 32004, 32256, 32512, 35560, 35840, 36576, 40005, 40320, 40640, 42672, 43008, 45720, 46080, 48768, 53340, 53760, 56896, 60960, 64008, 64512, 65024, 71120, 71680, 73152, 80010, 80640, 81280, 85344, 91440, 92160, 97536, 106680, 107520, 113792, 121920, 128016, 129024, 130048, 142240, 146304, 160020, 161280, 162560, 170688, 182880, 195072, 213360, 215040, 227584, 243840, 256032, 260096, 284480, 292608, 320040, 322560, 325120, 341376, 365760, 390144, 426720, 455168, 487680, 512064, 568960, 585216, 640080, 645120, 650240, 682752, 731520, 780288, 853440, 910336, 975360, 1024128, 1137920, 1170432, 1280160, 1300480, 1365504, 1463040, 1706880, 1820672, 1950720, 2048256, 2275840, 2340864, 2560320, 2731008, 2926080, 3413760, 3901440, 4096512, 4551680, 5120640, 5462016, 5852160, 6827520, 8193024, 9103360, 10241280, 11704320, 13655040, 16386048, 20482560, 27310080, 40965120, 81930240]

約数ペア:

[(1, 81930240), (2, 40965120), (3, 27310080), (4, 20482560), (5, 16386048), (6, 13655040), (7, 11704320), (8, 10241280), (9, 9103360), (10, 8193024), (12, 6827520), (14, 5852160), (15, 5462016), (16, 5120640), (18, 4551680), (20, 4096512), (21, 3901440), (24, 3413760), (28, 2926080), (30, 2731008), (32, 2560320), (35, 2340864), (36, 2275840), (40, 2048256), (42, 1950720), (45, 1820672), (48, 1706880), (56, 1463040), (60, 1365504), (63, 1300480), (64, 1280160), (70, 1170432), (72, 1137920), (80, 1024128), (84, 975360), (90, 910336), (96, 853440), (105, 780288), (112, 731520), (120, 682752), (126, 650240), (127, 645120), (128, 640080), (140, 585216), (144, 568960), (160, 512064), (168, 487680), (180, 455168), (192, 426720), (210, 390144), (224, 365760), (240, 341376), (252, 325120), (254, 322560), (256, 320040), (280, 292608), (288, 284480), (315, 260096), (320, 256032), (336, 243840), (360, 227584), (381, 215040), (384, 213360), (420, 195072), (448, 182880), (480, 170688), (504, 162560), (508, 161280), (512, 160020), (560, 146304), (576, 142240), (630, 130048), (635, 129024), (640, 128016), (672, 121920), (720, 113792), (762, 107520), (768, 106680), (840, 97536), (889, 92160), (896, 91440), (960, 85344), (1008, 81280), (1016, 80640), (1024, 80010), (1120, 73152), (1143, 71680), (1152, 71120), (1260, 65024), (1270, 64512), (1280, 64008), (1344, 60960), (1440, 56896), (1524, 53760), (1536, 53340), (1680, 48768), (1778, 46080), (1792, 45720), (1905, 43008), (1920, 42672), (2016, 40640), (2032, 40320), (2048, 40005), (2240, 36576), (2286, 35840), (2304, 35560), (2520, 32512), (2540, 32256), (2560, 32004), (2667, 30720), (2688, 30480), (2880, 28448), (3048, 26880), (3072, 26670), (3360, 24384), (3556, 23040), (3584, 22860), (3810, 21504), (3840, 21336), (4032, 20320), (4064, 20160), (4445, 18432), (4480, 18288), (4572, 17920), (4608, 17780), (5040, 16256), (5080, 16128), (5120, 16002), (5334, 15360), (5376, 15240), (5715, 14336), (5760, 14224), (6096, 13440), (6144, 13335), (6720, 12192), (7112, 11520), (7168, 11430), (7620, 10752), (7680, 10668), (8001, 10240), (8064, 10160), (8128, 10080), (8890, 9216), (8960, 9144)]