20798983040

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{541}}^1$

素因数の和:741

約数の個数: 256

約数和(自身を含む): 56044707840

約数和(自身を除く): 35245724800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 64, 80, 86, 88, 110, 127, 128, 160, 172, 176, 215, 220, 254, 320, 344, 352, 430, 440, 473, 508, 541, 635, 640, 688, 704, 860, 880, 946, 1016, 1082, 1270, 1376, 1397, 1408, 1720, 1760, 1892, 2032, 2164, 2365, 2540, 2705, 2752, 2794, 3440, 3520, 3784, 4064, 4328, 4730, 5080, 5410, 5461, 5504, 5588, 5951, 6880, 6985, 7040, 7568, 8128, 8656, 9460, 10160, 10820, 10922, 11176, 11902, 13760, 13970, 15136, 16256, 17312, 18920, 20320, 21640, 21844, 22352, 23263, 23804, 27305, 27520, 27940, 29755, 30272, 34624, 37840, 40640, 43280, 43688, 44704, 46526, 47608, 54610, 55880, 59510, 60071, 60544, 68707, 69248, 75680, 81280, 86560, 87376, 89408, 93052, 95216, 109220, 111760, 116315, 119020, 120142, 137414, 151360, 173120, 174752, 178816, 186104, 190432, 218440, 223520, 232630, 238040, 240284, 255893, 274828, 300355, 302720, 343535, 346240, 349504, 372208, 380864, 436880, 447040, 465260, 476080, 480568, 511786, 549656, 600710, 687070, 699008, 744416, 755777, 761728, 873760, 894080, 930520, 952160, 961136, 1023572, 1099312, 1201420, 1279465, 1374140, 1488832, 1511554, 1747520, 1861040, 1904320, 1922272, 2047144, 2198624, 2402840, 2558930, 2748280, 2954401, 2977664, 3023108, 3495040, 3722080, 3778885, 3808640, 3844544, 4094288, 4397248, 4805680, 5117860, 5496560, 5908802, 6046216, 7444160, 7557770, 7689088, 8188576, 8794496, 9611360, 10235720, 10993120, 11817604, 12092432, 14772005, 14888320, 15115540, 16377152, 19222720, 20471440, 21986240, 23635208, 24184864, 29544010, 30231080, 32498411, 32754304, 38445440, 40942880, 43972480, 47270416, 48369728, 59088020, 60462160, 64996822, 81885760, 94540832, 96739456, 118176040, 120924320, 129993644, 162492055, 163771520, 189081664, 236352080, 241848640, 259987288, 324984110, 378163328, 472704160, 483697280, 519974576, 649968220, 945408320, 1039949152, 1299936440, 1890816640, 2079898304, 2599872880, 4159796608, 5199745760, 10399491520, 20798983040]

約数ペア:

[(1, 20798983040), (2, 10399491520), (4, 5199745760), (5, 4159796608), (8, 2599872880), (10, 2079898304), (11, 1890816640), (16, 1299936440), (20, 1039949152), (22, 945408320), (32, 649968220), (40, 519974576), (43, 483697280), (44, 472704160), (55, 378163328), (64, 324984110), (80, 259987288), (86, 241848640), (88, 236352080), (110, 189081664), (127, 163771520), (128, 162492055), (160, 129993644), (172, 120924320), (176, 118176040), (215, 96739456), (220, 94540832), (254, 81885760), (320, 64996822), (344, 60462160), (352, 59088020), (430, 48369728), (440, 47270416), (473, 43972480), (508, 40942880), (541, 38445440), (635, 32754304), (640, 32498411), (688, 30231080), (704, 29544010), (860, 24184864), (880, 23635208), (946, 21986240), (1016, 20471440), (1082, 19222720), (1270, 16377152), (1376, 15115540), (1397, 14888320), (1408, 14772005), (1720, 12092432), (1760, 11817604), (1892, 10993120), (2032, 10235720), (2164, 9611360), (2365, 8794496), (2540, 8188576), (2705, 7689088), (2752, 7557770), (2794, 7444160), (3440, 6046216), (3520, 5908802), (3784, 5496560), (4064, 5117860), (4328, 4805680), (4730, 4397248), (5080, 4094288), (5410, 3844544), (5461, 3808640), (5504, 3778885), (5588, 3722080), (5951, 3495040), (6880, 3023108), (6985, 2977664), (7040, 2954401), (7568, 2748280), (8128, 2558930), (8656, 2402840), (9460, 2198624), (10160, 2047144), (10820, 1922272), (10922, 1904320), (11176, 1861040), (11902, 1747520), (13760, 1511554), (13970, 1488832), (15136, 1374140), (16256, 1279465), (17312, 1201420), (18920, 1099312), (20320, 1023572), (21640, 961136), (21844, 952160), (22352, 930520), (23263, 894080), (23804, 873760), (27305, 761728), (27520, 755777), (27940, 744416), (29755, 699008), (30272, 687070), (34624, 600710), (37840, 549656), (40640, 511786), (43280, 480568), (43688, 476080), (44704, 465260), (46526, 447040), (47608, 436880), (54610, 380864), (55880, 372208), (59510, 349504), (60071, 346240), (60544, 343535), (68707, 302720), (69248, 300355), (75680, 274828), (81280, 255893), (86560, 240284), (87376, 238040), (89408, 232630), (93052, 223520), (95216, 218440), (109220, 190432), (111760, 186104), (116315, 178816), (119020, 174752), (120142, 173120), (137414, 151360)]