20761302240

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{686551}}^1$

素因数の和:686582

約数の個数: 192

約数和(自身を含む): 83045329920

約数和(自身を除く): 62284027680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 686551, 1373102, 2059653, 2746204, 3432755, 4119306, 4805857, 5492408, 6178959, 6865510, 8238612, 9611714, 10298265, 10984816, 12357918, 13731020, 14417571, 16477224, 18536877, 19223428, 20596530, 21969632, 24029285, 24715836, 27462040, 28835142, 30894795, 32954448, 37073754, 38446856, 41193060, 43252713, 48058570, 49431672, 54924080, 57670284, 61789590, 65908896, 72087855, 74147508, 76893712, 82386120, 86505426, 92684385, 96117140, 98863344, 109848160, 115340568, 123579180, 129758139, 144175710, 148295016, 153787424, 164772240, 173010852, 185368770, 192234280, 197726688, 216263565, 230681136, 247158360, 259516278, 288351420, 296590032, 329544480, 346021704, 370737540, 384468560, 432527130, 461362272, 494316720, 519032556, 576702840, 593180064, 648790695, 692043408, 741475080, 768937120, 865054260, 988633440, 1038065112, 1153405680, 1297581390, 1384086816, 1482950160, 1730108520, 2076130224, 2306811360, 2595162780, 2965900320, 3460217040, 4152260448, 5190325560, 6920434080, 10380651120, 20761302240]

約数ペア:

[(1, 20761302240), (2, 10380651120), (3, 6920434080), (4, 5190325560), (5, 4152260448), (6, 3460217040), (7, 2965900320), (8, 2595162780), (9, 2306811360), (10, 2076130224), (12, 1730108520), (14, 1482950160), (15, 1384086816), (16, 1297581390), (18, 1153405680), (20, 1038065112), (21, 988633440), (24, 865054260), (27, 768937120), (28, 741475080), (30, 692043408), (32, 648790695), (35, 593180064), (36, 576702840), (40, 519032556), (42, 494316720), (45, 461362272), (48, 432527130), (54, 384468560), (56, 370737540), (60, 346021704), (63, 329544480), (70, 296590032), (72, 288351420), (80, 259516278), (84, 247158360), (90, 230681136), (96, 216263565), (105, 197726688), (108, 192234280), (112, 185368770), (120, 173010852), (126, 164772240), (135, 153787424), (140, 148295016), (144, 144175710), (160, 129758139), (168, 123579180), (180, 115340568), (189, 109848160), (210, 98863344), (216, 96117140), (224, 92684385), (240, 86505426), (252, 82386120), (270, 76893712), (280, 74147508), (288, 72087855), (315, 65908896), (336, 61789590), (360, 57670284), (378, 54924080), (420, 49431672), (432, 48058570), (480, 43252713), (504, 41193060), (540, 38446856), (560, 37073754), (630, 32954448), (672, 30894795), (720, 28835142), (756, 27462040), (840, 24715836), (864, 24029285), (945, 21969632), (1008, 20596530), (1080, 19223428), (1120, 18536877), (1260, 16477224), (1440, 14417571), (1512, 13731020), (1680, 12357918), (1890, 10984816), (2016, 10298265), (2160, 9611714), (2520, 8238612), (3024, 6865510), (3360, 6178959), (3780, 5492408), (4320, 4805857), (5040, 4119306), (6048, 3432755), (7560, 2746204), (10080, 2059653), (15120, 1373102), (30240, 686551)]