81671040

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1289}}^1$

素因数の和:1325

約数の個数: 192

約数和(自身を含む): 307897200

約数和(自身を除く): 226226160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 528, 576, 640, 660, 704, 720, 792, 880, 960, 990, 1056, 1152, 1289, 1320, 1408, 1440, 1584, 1760, 1920, 1980, 2112, 2578, 2640, 2880, 3168, 3520, 3867, 3960, 4224, 5156, 5280, 5760, 6336, 6445, 7040, 7734, 7920, 10312, 10560, 11601, 12672, 12890, 14179, 15468, 15840, 19335, 20624, 21120, 23202, 25780, 28358, 30936, 31680, 38670, 41248, 42537, 46404, 51560, 56716, 58005, 61872, 63360, 70895, 77340, 82496, 85074, 92808, 103120, 113432, 116010, 123744, 127611, 141790, 154680, 164992, 170148, 185616, 206240, 212685, 226864, 232020, 247488, 255222, 283580, 309360, 340296, 371232, 412480, 425370, 453728, 464040, 494976, 510444, 567160, 618720, 638055, 680592, 742464, 824960, 850740, 907456, 928080, 1020888, 1134320, 1237440, 1276110, 1361184, 1484928, 1701480, 1814912, 1856160, 2041776, 2268640, 2474880, 2552220, 2722368, 3402960, 3712320, 4083552, 4537280, 5104440, 5444736, 6805920, 7424640, 8167104, 9074560, 10208880, 13611840, 16334208, 20417760, 27223680, 40835520, 81671040]

約数ペア:

[(1, 81671040), (2, 40835520), (3, 27223680), (4, 20417760), (5, 16334208), (6, 13611840), (8, 10208880), (9, 9074560), (10, 8167104), (11, 7424640), (12, 6805920), (15, 5444736), (16, 5104440), (18, 4537280), (20, 4083552), (22, 3712320), (24, 3402960), (30, 2722368), (32, 2552220), (33, 2474880), (36, 2268640), (40, 2041776), (44, 1856160), (45, 1814912), (48, 1701480), (55, 1484928), (60, 1361184), (64, 1276110), (66, 1237440), (72, 1134320), (80, 1020888), (88, 928080), (90, 907456), (96, 850740), (99, 824960), (110, 742464), (120, 680592), (128, 638055), (132, 618720), (144, 567160), (160, 510444), (165, 494976), (176, 464040), (180, 453728), (192, 425370), (198, 412480), (220, 371232), (240, 340296), (264, 309360), (288, 283580), (320, 255222), (330, 247488), (352, 232020), (360, 226864), (384, 212685), (396, 206240), (440, 185616), (480, 170148), (495, 164992), (528, 154680), (576, 141790), (640, 127611), (660, 123744), (704, 116010), (720, 113432), (792, 103120), (880, 92808), (960, 85074), (990, 82496), (1056, 77340), (1152, 70895), (1289, 63360), (1320, 61872), (1408, 58005), (1440, 56716), (1584, 51560), (1760, 46404), (1920, 42537), (1980, 41248), (2112, 38670), (2578, 31680), (2640, 30936), (2880, 28358), (3168, 25780), (3520, 23202), (3867, 21120), (3960, 20624), (4224, 19335), (5156, 15840), (5280, 15468), (5760, 14179), (6336, 12890), (6445, 12672), (7040, 11601), (7734, 10560), (7920, 10312)]