81976320

素因数分解:

$2^{10}\times 3^3\times 5^1\times {\mathrm{593}}^1$

素因数の和:627

約数の個数: 176

約数和(自身を含む): 291820320

約数和(自身を除く): 209844000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 593, 640, 720, 768, 864, 960, 1024, 1080, 1152, 1186, 1280, 1440, 1536, 1728, 1779, 1920, 2160, 2304, 2372, 2560, 2880, 2965, 3072, 3456, 3558, 3840, 4320, 4608, 4744, 5120, 5337, 5760, 5930, 6912, 7116, 7680, 8640, 8895, 9216, 9488, 10674, 11520, 11860, 13824, 14232, 15360, 16011, 17280, 17790, 18976, 21348, 23040, 23720, 26685, 27648, 28464, 32022, 34560, 35580, 37952, 42696, 46080, 47440, 53370, 56928, 64044, 69120, 71160, 75904, 80055, 85392, 94880, 106740, 113856, 128088, 138240, 142320, 151808, 160110, 170784, 189760, 213480, 227712, 256176, 284640, 303616, 320220, 341568, 379520, 426960, 455424, 512352, 569280, 607232, 640440, 683136, 759040, 853920, 910848, 1024704, 1138560, 1280880, 1366272, 1518080, 1707840, 1821696, 2049408, 2277120, 2561760, 2732544, 3036160, 3415680, 4098816, 4554240, 5123520, 5465088, 6831360, 8197632, 9108480, 10247040, 13662720, 16395264, 20494080, 27325440, 40988160, 81976320]

約数ペア:

[(1, 81976320), (2, 40988160), (3, 27325440), (4, 20494080), (5, 16395264), (6, 13662720), (8, 10247040), (9, 9108480), (10, 8197632), (12, 6831360), (15, 5465088), (16, 5123520), (18, 4554240), (20, 4098816), (24, 3415680), (27, 3036160), (30, 2732544), (32, 2561760), (36, 2277120), (40, 2049408), (45, 1821696), (48, 1707840), (54, 1518080), (60, 1366272), (64, 1280880), (72, 1138560), (80, 1024704), (90, 910848), (96, 853920), (108, 759040), (120, 683136), (128, 640440), (135, 607232), (144, 569280), (160, 512352), (180, 455424), (192, 426960), (216, 379520), (240, 341568), (256, 320220), (270, 303616), (288, 284640), (320, 256176), (360, 227712), (384, 213480), (432, 189760), (480, 170784), (512, 160110), (540, 151808), (576, 142320), (593, 138240), (640, 128088), (720, 113856), (768, 106740), (864, 94880), (960, 85392), (1024, 80055), (1080, 75904), (1152, 71160), (1186, 69120), (1280, 64044), (1440, 56928), (1536, 53370), (1728, 47440), (1779, 46080), (1920, 42696), (2160, 37952), (2304, 35580), (2372, 34560), (2560, 32022), (2880, 28464), (2965, 27648), (3072, 26685), (3456, 23720), (3558, 23040), (3840, 21348), (4320, 18976), (4608, 17790), (4744, 17280), (5120, 16011), (5337, 15360), (5760, 14232), (5930, 13824), (6912, 11860), (7116, 11520), (7680, 10674), (8640, 9488), (8895, 9216)]