206811360

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{977}}^1$

素因数の和:1015

約数の個数: 288

約数和(自身を含む): 842879520

約数和(自身を除く): 636068160

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, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 168, 180, 189, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 336, 360, 378, 392, 420, 432, 441, 480, 490, 504, 540, 560, 588, 630, 672, 720, 735, 756, 784, 840, 864, 882, 945, 977, 980, 1008, 1080, 1120, 1176, 1260, 1323, 1440, 1470, 1512, 1568, 1680, 1764, 1890, 1954, 1960, 2016, 2160, 2205, 2352, 2520, 2646, 2931, 2940, 3024, 3360, 3528, 3780, 3908, 3920, 4320, 4410, 4704, 4885, 5040, 5292, 5862, 5880, 6048, 6615, 6839, 7056, 7560, 7816, 7840, 8793, 8820, 9770, 10080, 10584, 11724, 11760, 13230, 13678, 14112, 14655, 15120, 15632, 17586, 17640, 19540, 20517, 21168, 23448, 23520, 26379, 26460, 27356, 29310, 30240, 31264, 34195, 35172, 35280, 39080, 41034, 42336, 43965, 46896, 47873, 52758, 52920, 54712, 58620, 61551, 68390, 70344, 70560, 78160, 82068, 87930, 93792, 95746, 102585, 105516, 105840, 109424, 117240, 123102, 131895, 136780, 140688, 143619, 156320, 164136, 175860, 184653, 191492, 205170, 211032, 211680, 218848, 234480, 239365, 246204, 263790, 273560, 281376, 287238, 307755, 328272, 351720, 369306, 382984, 410340, 422064, 430857, 468960, 478730, 492408, 527580, 547120, 574476, 615510, 656544, 703440, 718095, 738612, 765968, 820680, 844128, 861714, 923265, 957460, 984816, 1055160, 1094240, 1148952, 1231020, 1292571, 1406880, 1436190, 1477224, 1531936, 1641360, 1723428, 1846530, 1914920, 1969632, 2110320, 2154285, 2297904, 2462040, 2585142, 2872380, 2954448, 3282720, 3446856, 3693060, 3829840, 4220640, 4308570, 4595808, 4924080, 5170284, 5744760, 5908896, 6462855, 6893712, 7386120, 7659680, 8617140, 9848160, 10340568, 11489520, 12925710, 13787424, 14772240, 17234280, 20681136, 22979040, 25851420, 29544480, 34468560, 41362272, 51702840, 68937120, 103405680, 206811360]

約数ペア:

[(1, 206811360), (2, 103405680), (3, 68937120), (4, 51702840), (5, 41362272), (6, 34468560), (7, 29544480), (8, 25851420), (9, 22979040), (10, 20681136), (12, 17234280), (14, 14772240), (15, 13787424), (16, 12925710), (18, 11489520), (20, 10340568), (21, 9848160), (24, 8617140), (27, 7659680), (28, 7386120), (30, 6893712), (32, 6462855), (35, 5908896), (36, 5744760), (40, 5170284), (42, 4924080), (45, 4595808), (48, 4308570), (49, 4220640), (54, 3829840), (56, 3693060), (60, 3446856), (63, 3282720), (70, 2954448), (72, 2872380), (80, 2585142), (84, 2462040), (90, 2297904), (96, 2154285), (98, 2110320), (105, 1969632), (108, 1914920), (112, 1846530), (120, 1723428), (126, 1641360), (135, 1531936), (140, 1477224), (144, 1436190), (147, 1406880), (160, 1292571), (168, 1231020), (180, 1148952), (189, 1094240), (196, 1055160), (210, 984816), (216, 957460), (224, 923265), (240, 861714), (245, 844128), (252, 820680), (270, 765968), (280, 738612), (288, 718095), (294, 703440), (315, 656544), (336, 615510), (360, 574476), (378, 547120), (392, 527580), (420, 492408), (432, 478730), (441, 468960), (480, 430857), (490, 422064), (504, 410340), (540, 382984), (560, 369306), (588, 351720), (630, 328272), (672, 307755), (720, 287238), (735, 281376), (756, 273560), (784, 263790), (840, 246204), (864, 239365), (882, 234480), (945, 218848), (977, 211680), (980, 211032), (1008, 205170), (1080, 191492), (1120, 184653), (1176, 175860), (1260, 164136), (1323, 156320), (1440, 143619), (1470, 140688), (1512, 136780), (1568, 131895), (1680, 123102), (1764, 117240), (1890, 109424), (1954, 105840), (1960, 105516), (2016, 102585), (2160, 95746), (2205, 93792), (2352, 87930), (2520, 82068), (2646, 78160), (2931, 70560), (2940, 70344), (3024, 68390), (3360, 61551), (3528, 58620), (3780, 54712), (3908, 52920), (3920, 52758), (4320, 47873), (4410, 46896), (4704, 43965), (4885, 42336), (5040, 41034), (5292, 39080), (5862, 35280), (5880, 35172), (6048, 34195), (6615, 31264), (6839, 30240), (7056, 29310), (7560, 27356), (7816, 26460), (7840, 26379), (8793, 23520), (8820, 23448), (9770, 21168), (10080, 20517), (10584, 19540), (11724, 17640), (11760, 17586), (13230, 15632), (13678, 15120), (14112, 14655)]