81686880

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1$

素因数の和:232

約数の個数: 288

約数和(自身を含む): 317011968

約数和(自身を除く): 235325088

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 162, 165, 176, 180, 191, 198, 216, 220, 240, 243, 264, 270, 288, 297, 324, 330, 352, 360, 382, 396, 405, 432, 440, 480, 486, 495, 528, 540, 573, 594, 648, 660, 720, 764, 792, 810, 864, 880, 891, 955, 972, 990, 1056, 1080, 1146, 1188, 1215, 1296, 1320, 1440, 1485, 1528, 1584, 1620, 1719, 1760, 1782, 1910, 1944, 1980, 2101, 2160, 2292, 2376, 2430, 2592, 2640, 2673, 2865, 2970, 3056, 3168, 3240, 3438, 3564, 3820, 3888, 3960, 4202, 4320, 4455, 4584, 4752, 4860, 5157, 5280, 5346, 5730, 5940, 6112, 6303, 6480, 6876, 7128, 7640, 7776, 7920, 8404, 8595, 8910, 9168, 9504, 9720, 10314, 10505, 10692, 11460, 11880, 12606, 12960, 13365, 13752, 14256, 15280, 15471, 15840, 16808, 17190, 17820, 18336, 18909, 19440, 20628, 21010, 21384, 22920, 23760, 25212, 25785, 26730, 27504, 28512, 30560, 30942, 31515, 33616, 34380, 35640, 37818, 38880, 41256, 42020, 42768, 45840, 46413, 47520, 50424, 51570, 53460, 55008, 56727, 61884, 63030, 67232, 68760, 71280, 75636, 77355, 82512, 84040, 85536, 91680, 92826, 94545, 100848, 103140, 106920, 113454, 123768, 126060, 137520, 142560, 151272, 154710, 165024, 168080, 170181, 185652, 189090, 201696, 206280, 213840, 226908, 232065, 247536, 252120, 275040, 283635, 302544, 309420, 336160, 340362, 371304, 378180, 412560, 427680, 453816, 464130, 495072, 504240, 510543, 567270, 605088, 618840, 680724, 742608, 756360, 825120, 850905, 907632, 928260, 1008480, 1021086, 1134540, 1237680, 1361448, 1485216, 1512720, 1701810, 1815264, 1856520, 2042172, 2269080, 2475360, 2552715, 2722896, 3025440, 3403620, 3713040, 4084344, 4538160, 5105430, 5445792, 6807240, 7426080, 8168688, 9076320, 10210860, 13614480, 16337376, 20421720, 27228960, 40843440, 81686880]

約数ペア:

[(1, 81686880), (2, 40843440), (3, 27228960), (4, 20421720), (5, 16337376), (6, 13614480), (8, 10210860), (9, 9076320), (10, 8168688), (11, 7426080), (12, 6807240), (15, 5445792), (16, 5105430), (18, 4538160), (20, 4084344), (22, 3713040), (24, 3403620), (27, 3025440), (30, 2722896), (32, 2552715), (33, 2475360), (36, 2269080), (40, 2042172), (44, 1856520), (45, 1815264), (48, 1701810), (54, 1512720), (55, 1485216), (60, 1361448), (66, 1237680), (72, 1134540), (80, 1021086), (81, 1008480), (88, 928260), (90, 907632), (96, 850905), (99, 825120), (108, 756360), (110, 742608), (120, 680724), (132, 618840), (135, 605088), (144, 567270), (160, 510543), (162, 504240), (165, 495072), (176, 464130), (180, 453816), (191, 427680), (198, 412560), (216, 378180), (220, 371304), (240, 340362), (243, 336160), (264, 309420), (270, 302544), (288, 283635), (297, 275040), (324, 252120), (330, 247536), (352, 232065), (360, 226908), (382, 213840), (396, 206280), (405, 201696), (432, 189090), (440, 185652), (480, 170181), (486, 168080), (495, 165024), (528, 154710), (540, 151272), (573, 142560), (594, 137520), (648, 126060), (660, 123768), (720, 113454), (764, 106920), (792, 103140), (810, 100848), (864, 94545), (880, 92826), (891, 91680), (955, 85536), (972, 84040), (990, 82512), (1056, 77355), (1080, 75636), (1146, 71280), (1188, 68760), (1215, 67232), (1296, 63030), (1320, 61884), (1440, 56727), (1485, 55008), (1528, 53460), (1584, 51570), (1620, 50424), (1719, 47520), (1760, 46413), (1782, 45840), (1910, 42768), (1944, 42020), (1980, 41256), (2101, 38880), (2160, 37818), (2292, 35640), (2376, 34380), (2430, 33616), (2592, 31515), (2640, 30942), (2673, 30560), (2865, 28512), (2970, 27504), (3056, 26730), (3168, 25785), (3240, 25212), (3438, 23760), (3564, 22920), (3820, 21384), (3888, 21010), (3960, 20628), (4202, 19440), (4320, 18909), (4455, 18336), (4584, 17820), (4752, 17190), (4860, 16808), (5157, 15840), (5280, 15471), (5346, 15280), (5730, 14256), (5940, 13752), (6112, 13365), (6303, 12960), (6480, 12606), (6876, 11880), (7128, 11460), (7640, 10692), (7776, 10505), (7920, 10314), (8404, 9720), (8595, 9504), (8910, 9168)]