81235448640

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{218657}}^1$

素因数の和:218726

約数の個数: 224

約数和(自身を含む): 293246616960

約数和(自身を除く): 212011168320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 64, 72, 80, 86, 90, 96, 108, 120, 129, 135, 144, 160, 172, 180, 192, 215, 216, 240, 258, 270, 288, 320, 344, 360, 387, 430, 432, 480, 516, 540, 576, 645, 688, 720, 774, 860, 864, 960, 1032, 1080, 1161, 1290, 1376, 1440, 1548, 1720, 1728, 1935, 2064, 2160, 2322, 2580, 2752, 2880, 3096, 3440, 3870, 4128, 4320, 4644, 5160, 5805, 6192, 6880, 7740, 8256, 8640, 9288, 10320, 11610, 12384, 13760, 15480, 18576, 20640, 23220, 24768, 30960, 37152, 41280, 46440, 61920, 74304, 92880, 123840, 185760, 218657, 371520, 437314, 655971, 874628, 1093285, 1311942, 1749256, 1967913, 2186570, 2623884, 3279855, 3498512, 3935826, 4373140, 5247768, 5903739, 6559710, 6997024, 7871652, 8746280, 9402251, 9839565, 10495536, 11807478, 13119420, 13994048, 15743304, 17492560, 18804502, 19679130, 20991072, 23614956, 26238840, 28206753, 29518695, 31486608, 34985120, 37609004, 39358260, 41982144, 47011255, 47229912, 52477680, 56413506, 59037390, 62973216, 69970240, 75218008, 78716520, 84620259, 94022510, 94459824, 104955360, 112827012, 118074780, 125946432, 141033765, 150436016, 157433040, 169240518, 188045020, 188919648, 209910720, 225654024, 236149560, 253860777, 282067530, 300872032, 314866080, 338481036, 376090040, 377839296, 423101295, 451308048, 472299120, 507721554, 564135060, 601744064, 629732160, 676962072, 752180080, 846202590, 902616096, 944598240, 1015443108, 1128270120, 1269303885, 1353924144, 1504360160, 1692405180, 1805232192, 1889196480, 2030886216, 2256540240, 2538607770, 2707848288, 3008720320, 3384810360, 4061772432, 4513080480, 5077215540, 5415696576, 6769620720, 8123544864, 9026160960, 10154431080, 13539241440, 16247089728, 20308862160, 27078482880, 40617724320, 81235448640]

約数ペア:

[(1, 81235448640), (2, 40617724320), (3, 27078482880), (4, 20308862160), (5, 16247089728), (6, 13539241440), (8, 10154431080), (9, 9026160960), (10, 8123544864), (12, 6769620720), (15, 5415696576), (16, 5077215540), (18, 4513080480), (20, 4061772432), (24, 3384810360), (27, 3008720320), (30, 2707848288), (32, 2538607770), (36, 2256540240), (40, 2030886216), (43, 1889196480), (45, 1805232192), (48, 1692405180), (54, 1504360160), (60, 1353924144), (64, 1269303885), (72, 1128270120), (80, 1015443108), (86, 944598240), (90, 902616096), (96, 846202590), (108, 752180080), (120, 676962072), (129, 629732160), (135, 601744064), (144, 564135060), (160, 507721554), (172, 472299120), (180, 451308048), (192, 423101295), (215, 377839296), (216, 376090040), (240, 338481036), (258, 314866080), (270, 300872032), (288, 282067530), (320, 253860777), (344, 236149560), (360, 225654024), (387, 209910720), (430, 188919648), (432, 188045020), (480, 169240518), (516, 157433040), (540, 150436016), (576, 141033765), (645, 125946432), (688, 118074780), (720, 112827012), (774, 104955360), (860, 94459824), (864, 94022510), (960, 84620259), (1032, 78716520), (1080, 75218008), (1161, 69970240), (1290, 62973216), (1376, 59037390), (1440, 56413506), (1548, 52477680), (1720, 47229912), (1728, 47011255), (1935, 41982144), (2064, 39358260), (2160, 37609004), (2322, 34985120), (2580, 31486608), (2752, 29518695), (2880, 28206753), (3096, 26238840), (3440, 23614956), (3870, 20991072), (4128, 19679130), (4320, 18804502), (4644, 17492560), (5160, 15743304), (5805, 13994048), (6192, 13119420), (6880, 11807478), (7740, 10495536), (8256, 9839565), (8640, 9402251), (9288, 8746280), (10320, 7871652), (11610, 6997024), (12384, 6559710), (13760, 5903739), (15480, 5247768), (18576, 4373140), (20640, 3935826), (23220, 3498512), (24768, 3279855), (30960, 2623884), (37152, 2186570), (41280, 1967913), (46440, 1749256), (61920, 1311942), (74304, 1093285), (92880, 874628), (123840, 655971), (185760, 437314), (218657, 371520)]