20100222720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{40577}}^1$

素因数の和:40647

約数の個数: 216

約数和(自身を含む): 71163748656

約数和(自身を除く): 51063525936

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 64, 72, 80, 86, 90, 96, 120, 128, 129, 144, 160, 172, 180, 192, 215, 240, 256, 258, 288, 320, 344, 360, 384, 387, 430, 480, 516, 576, 640, 645, 688, 720, 768, 774, 860, 960, 1032, 1152, 1280, 1290, 1376, 1440, 1548, 1720, 1920, 1935, 2064, 2304, 2580, 2752, 2880, 3096, 3440, 3840, 3870, 4128, 5160, 5504, 5760, 6192, 6880, 7740, 8256, 10320, 11008, 11520, 12384, 13760, 15480, 16512, 20640, 24768, 27520, 30960, 33024, 40577, 41280, 49536, 55040, 61920, 81154, 82560, 99072, 121731, 123840, 162308, 165120, 202885, 243462, 247680, 324616, 365193, 405770, 486924, 495360, 608655, 649232, 730386, 811540, 973848, 1217310, 1298464, 1460772, 1623080, 1744811, 1825965, 1947696, 2434620, 2596928, 2921544, 3246160, 3489622, 3651930, 3895392, 4869240, 5193856, 5234433, 5843088, 6492320, 6979244, 7303860, 7790784, 8724055, 9738480, 10387712, 10468866, 11686176, 12984640, 13958488, 14607720, 15581568, 15703299, 17448110, 19476960, 20937732, 23372352, 25969280, 26172165, 27916976, 29215440, 31163136, 31406598, 34896220, 38953920, 41875464, 46744704, 51938560, 52344330, 55833952, 58430880, 62813196, 69792440, 77907840, 78516495, 83750928, 93489408, 104688660, 111667904, 116861760, 125626392, 139584880, 155815680, 157032990, 167501856, 209377320, 223335808, 233723520, 251252784, 279169760, 314065980, 335003712, 418754640, 446671616, 467447040, 502505568, 558339520, 628131960, 670007424, 837509280, 1005011136, 1116679040, 1256263920, 1340014848, 1675018560, 2010022272, 2233358080, 2512527840, 3350037120, 4020044544, 5025055680, 6700074240, 10050111360, 20100222720]

約数ペア:

[(1, 20100222720), (2, 10050111360), (3, 6700074240), (4, 5025055680), (5, 4020044544), (6, 3350037120), (8, 2512527840), (9, 2233358080), (10, 2010022272), (12, 1675018560), (15, 1340014848), (16, 1256263920), (18, 1116679040), (20, 1005011136), (24, 837509280), (30, 670007424), (32, 628131960), (36, 558339520), (40, 502505568), (43, 467447040), (45, 446671616), (48, 418754640), (60, 335003712), (64, 314065980), (72, 279169760), (80, 251252784), (86, 233723520), (90, 223335808), (96, 209377320), (120, 167501856), (128, 157032990), (129, 155815680), (144, 139584880), (160, 125626392), (172, 116861760), (180, 111667904), (192, 104688660), (215, 93489408), (240, 83750928), (256, 78516495), (258, 77907840), (288, 69792440), (320, 62813196), (344, 58430880), (360, 55833952), (384, 52344330), (387, 51938560), (430, 46744704), (480, 41875464), (516, 38953920), (576, 34896220), (640, 31406598), (645, 31163136), (688, 29215440), (720, 27916976), (768, 26172165), (774, 25969280), (860, 23372352), (960, 20937732), (1032, 19476960), (1152, 17448110), (1280, 15703299), (1290, 15581568), (1376, 14607720), (1440, 13958488), (1548, 12984640), (1720, 11686176), (1920, 10468866), (1935, 10387712), (2064, 9738480), (2304, 8724055), (2580, 7790784), (2752, 7303860), (2880, 6979244), (3096, 6492320), (3440, 5843088), (3840, 5234433), (3870, 5193856), (4128, 4869240), (5160, 3895392), (5504, 3651930), (5760, 3489622), (6192, 3246160), (6880, 2921544), (7740, 2596928), (8256, 2434620), (10320, 1947696), (11008, 1825965), (11520, 1744811), (12384, 1623080), (13760, 1460772), (15480, 1298464), (16512, 1217310), (20640, 973848), (24768, 811540), (27520, 730386), (30960, 649232), (33024, 608655), (40577, 495360), (41280, 486924), (49536, 405770), (55040, 365193), (61920, 324616), (81154, 247680), (82560, 243462), (99072, 202885), (121731, 165120), (123840, 162308)]