80040960

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{193}}^1$

素因数の和:230

約数の個数: 220

約数和(自身を含む): 288307668

約数和(自身を除く): 208266708

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, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 193, 216, 240, 256, 270, 288, 320, 324, 360, 384, 386, 405, 432, 480, 512, 540, 576, 579, 640, 648, 720, 768, 772, 810, 864, 960, 965, 1024, 1080, 1152, 1158, 1280, 1296, 1440, 1536, 1544, 1620, 1728, 1737, 1920, 1930, 2160, 2304, 2316, 2560, 2592, 2880, 2895, 3072, 3088, 3240, 3456, 3474, 3840, 3860, 4320, 4608, 4632, 5120, 5184, 5211, 5760, 5790, 6176, 6480, 6912, 6948, 7680, 7720, 8640, 8685, 9216, 9264, 10368, 10422, 11520, 11580, 12352, 12960, 13824, 13896, 15360, 15440, 15633, 17280, 17370, 18528, 20736, 20844, 23040, 23160, 24704, 25920, 26055, 27648, 27792, 30880, 31266, 34560, 34740, 37056, 41472, 41688, 46080, 46320, 49408, 51840, 52110, 55584, 61760, 62532, 69120, 69480, 74112, 78165, 82944, 83376, 92640, 98816, 103680, 104220, 111168, 123520, 125064, 138240, 138960, 148224, 156330, 166752, 185280, 197632, 207360, 208440, 222336, 247040, 250128, 277920, 296448, 312660, 333504, 370560, 414720, 416880, 444672, 494080, 500256, 555840, 592896, 625320, 667008, 741120, 833760, 889344, 988160, 1000512, 1111680, 1250640, 1334016, 1482240, 1667520, 1778688, 2001024, 2223360, 2501280, 2668032, 2964480, 3335040, 4002048, 4446720, 5002560, 5336064, 6670080, 8004096, 8893440, 10005120, 13340160, 16008192, 20010240, 26680320, 40020480, 80040960]

約数ペア:

[(1, 80040960), (2, 40020480), (3, 26680320), (4, 20010240), (5, 16008192), (6, 13340160), (8, 10005120), (9, 8893440), (10, 8004096), (12, 6670080), (15, 5336064), (16, 5002560), (18, 4446720), (20, 4002048), (24, 3335040), (27, 2964480), (30, 2668032), (32, 2501280), (36, 2223360), (40, 2001024), (45, 1778688), (48, 1667520), (54, 1482240), (60, 1334016), (64, 1250640), (72, 1111680), (80, 1000512), (81, 988160), (90, 889344), (96, 833760), (108, 741120), (120, 667008), (128, 625320), (135, 592896), (144, 555840), (160, 500256), (162, 494080), (180, 444672), (192, 416880), (193, 414720), (216, 370560), (240, 333504), (256, 312660), (270, 296448), (288, 277920), (320, 250128), (324, 247040), (360, 222336), (384, 208440), (386, 207360), (405, 197632), (432, 185280), (480, 166752), (512, 156330), (540, 148224), (576, 138960), (579, 138240), (640, 125064), (648, 123520), (720, 111168), (768, 104220), (772, 103680), (810, 98816), (864, 92640), (960, 83376), (965, 82944), (1024, 78165), (1080, 74112), (1152, 69480), (1158, 69120), (1280, 62532), (1296, 61760), (1440, 55584), (1536, 52110), (1544, 51840), (1620, 49408), (1728, 46320), (1737, 46080), (1920, 41688), (1930, 41472), (2160, 37056), (2304, 34740), (2316, 34560), (2560, 31266), (2592, 30880), (2880, 27792), (2895, 27648), (3072, 26055), (3088, 25920), (3240, 24704), (3456, 23160), (3474, 23040), (3840, 20844), (3860, 20736), (4320, 18528), (4608, 17370), (4632, 17280), (5120, 15633), (5184, 15440), (5211, 15360), (5760, 13896), (5790, 13824), (6176, 12960), (6480, 12352), (6912, 11580), (6948, 11520), (7680, 10422), (7720, 10368), (8640, 9264), (8685, 9216)]