81711360

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:241

約数の個数: 216

約数和(自身を含む): 291282264

約数和(自身を除く): 209570904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 64, 72, 80, 82, 90, 96, 120, 123, 128, 144, 160, 164, 173, 180, 192, 205, 240, 246, 256, 288, 320, 328, 346, 360, 369, 384, 410, 480, 492, 519, 576, 615, 640, 656, 692, 720, 738, 768, 820, 865, 960, 984, 1038, 1152, 1230, 1280, 1312, 1384, 1440, 1476, 1557, 1640, 1730, 1845, 1920, 1968, 2076, 2304, 2460, 2595, 2624, 2768, 2880, 2952, 3114, 3280, 3460, 3690, 3840, 3936, 4152, 4920, 5190, 5248, 5536, 5760, 5904, 6228, 6560, 6920, 7093, 7380, 7785, 7872, 8304, 9840, 10380, 10496, 11072, 11520, 11808, 12456, 13120, 13840, 14186, 14760, 15570, 15744, 16608, 19680, 20760, 21279, 22144, 23616, 24912, 26240, 27680, 28372, 29520, 31140, 31488, 33216, 35465, 39360, 41520, 42558, 44288, 47232, 49824, 52480, 55360, 56744, 59040, 62280, 63837, 66432, 70930, 78720, 83040, 85116, 94464, 99648, 106395, 110720, 113488, 118080, 124560, 127674, 132864, 141860, 157440, 166080, 170232, 199296, 212790, 221440, 226976, 236160, 249120, 255348, 283720, 319185, 332160, 340464, 398592, 425580, 453952, 472320, 498240, 510696, 567440, 638370, 664320, 680928, 851160, 907904, 996480, 1021392, 1134880, 1276740, 1361856, 1702320, 1815808, 1992960, 2042784, 2269760, 2553480, 2723712, 3404640, 4085568, 4539520, 5106960, 5447424, 6809280, 8171136, 9079040, 10213920, 13618560, 16342272, 20427840, 27237120, 40855680, 81711360]

約数ペア:

[(1, 81711360), (2, 40855680), (3, 27237120), (4, 20427840), (5, 16342272), (6, 13618560), (8, 10213920), (9, 9079040), (10, 8171136), (12, 6809280), (15, 5447424), (16, 5106960), (18, 4539520), (20, 4085568), (24, 3404640), (30, 2723712), (32, 2553480), (36, 2269760), (40, 2042784), (41, 1992960), (45, 1815808), (48, 1702320), (60, 1361856), (64, 1276740), (72, 1134880), (80, 1021392), (82, 996480), (90, 907904), (96, 851160), (120, 680928), (123, 664320), (128, 638370), (144, 567440), (160, 510696), (164, 498240), (173, 472320), (180, 453952), (192, 425580), (205, 398592), (240, 340464), (246, 332160), (256, 319185), (288, 283720), (320, 255348), (328, 249120), (346, 236160), (360, 226976), (369, 221440), (384, 212790), (410, 199296), (480, 170232), (492, 166080), (519, 157440), (576, 141860), (615, 132864), (640, 127674), (656, 124560), (692, 118080), (720, 113488), (738, 110720), (768, 106395), (820, 99648), (865, 94464), (960, 85116), (984, 83040), (1038, 78720), (1152, 70930), (1230, 66432), (1280, 63837), (1312, 62280), (1384, 59040), (1440, 56744), (1476, 55360), (1557, 52480), (1640, 49824), (1730, 47232), (1845, 44288), (1920, 42558), (1968, 41520), (2076, 39360), (2304, 35465), (2460, 33216), (2595, 31488), (2624, 31140), (2768, 29520), (2880, 28372), (2952, 27680), (3114, 26240), (3280, 24912), (3460, 23616), (3690, 22144), (3840, 21279), (3936, 20760), (4152, 19680), (4920, 16608), (5190, 15744), (5248, 15570), (5536, 14760), (5760, 14186), (5904, 13840), (6228, 13120), (6560, 12456), (6920, 11808), (7093, 11520), (7380, 11072), (7785, 10496), (7872, 10380), (8304, 9840)]