81370080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{467}}^1$

素因数の和:510

約数の個数: 216

約数和(自身を含む): 305867016

約数和(自身を除く): 224496936

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, 66, 72, 80, 88, 90, 96, 99, 110, 120, 121, 132, 144, 160, 165, 176, 180, 198, 220, 240, 242, 264, 288, 330, 352, 360, 363, 396, 440, 467, 480, 484, 495, 528, 605, 660, 720, 726, 792, 880, 934, 968, 990, 1056, 1089, 1210, 1320, 1401, 1440, 1452, 1584, 1760, 1815, 1868, 1936, 1980, 2178, 2335, 2420, 2640, 2802, 2904, 3168, 3630, 3736, 3872, 3960, 4203, 4356, 4670, 4840, 5137, 5280, 5445, 5604, 5808, 7005, 7260, 7472, 7920, 8406, 8712, 9340, 9680, 10274, 10890, 11208, 11616, 14010, 14520, 14944, 15411, 15840, 16812, 17424, 18680, 19360, 20548, 21015, 21780, 22416, 25685, 28020, 29040, 30822, 33624, 34848, 37360, 41096, 42030, 43560, 44832, 46233, 51370, 56040, 56507, 58080, 61644, 67248, 74720, 77055, 82192, 84060, 87120, 92466, 102740, 112080, 113014, 123288, 134496, 154110, 164384, 168120, 169521, 174240, 184932, 205480, 224160, 226028, 231165, 246576, 282535, 308220, 336240, 339042, 369864, 410960, 452056, 462330, 493152, 508563, 565070, 616440, 672480, 678084, 739728, 821920, 847605, 904112, 924660, 1017126, 1130140, 1232880, 1356168, 1479456, 1695210, 1808224, 1849320, 2034252, 2260280, 2465760, 2542815, 2712336, 3390420, 3698640, 4068504, 4520560, 5085630, 5424672, 6780840, 7397280, 8137008, 9041120, 10171260, 13561680, 16274016, 20342520, 27123360, 40685040, 81370080]

約数ペア:

[(1, 81370080), (2, 40685040), (3, 27123360), (4, 20342520), (5, 16274016), (6, 13561680), (8, 10171260), (9, 9041120), (10, 8137008), (11, 7397280), (12, 6780840), (15, 5424672), (16, 5085630), (18, 4520560), (20, 4068504), (22, 3698640), (24, 3390420), (30, 2712336), (32, 2542815), (33, 2465760), (36, 2260280), (40, 2034252), (44, 1849320), (45, 1808224), (48, 1695210), (55, 1479456), (60, 1356168), (66, 1232880), (72, 1130140), (80, 1017126), (88, 924660), (90, 904112), (96, 847605), (99, 821920), (110, 739728), (120, 678084), (121, 672480), (132, 616440), (144, 565070), (160, 508563), (165, 493152), (176, 462330), (180, 452056), (198, 410960), (220, 369864), (240, 339042), (242, 336240), (264, 308220), (288, 282535), (330, 246576), (352, 231165), (360, 226028), (363, 224160), (396, 205480), (440, 184932), (467, 174240), (480, 169521), (484, 168120), (495, 164384), (528, 154110), (605, 134496), (660, 123288), (720, 113014), (726, 112080), (792, 102740), (880, 92466), (934, 87120), (968, 84060), (990, 82192), (1056, 77055), (1089, 74720), (1210, 67248), (1320, 61644), (1401, 58080), (1440, 56507), (1452, 56040), (1584, 51370), (1760, 46233), (1815, 44832), (1868, 43560), (1936, 42030), (1980, 41096), (2178, 37360), (2335, 34848), (2420, 33624), (2640, 30822), (2802, 29040), (2904, 28020), (3168, 25685), (3630, 22416), (3736, 21780), (3872, 21015), (3960, 20548), (4203, 19360), (4356, 18680), (4670, 17424), (4840, 16812), (5137, 15840), (5280, 15411), (5445, 14944), (5604, 14520), (5808, 14010), (7005, 11616), (7260, 11208), (7472, 10890), (7920, 10274), (8406, 9680), (8712, 9340)]