1978706880

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{787}}^1$

素因数の和:913

約数の個数: 280

約数和(自身を含む): 7120207248

約数和(自身を除く): 5141500368

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, 97, 108, 120, 135, 144, 160, 162, 180, 192, 194, 216, 240, 270, 288, 291, 320, 324, 360, 388, 405, 432, 480, 485, 540, 576, 582, 648, 720, 776, 787, 810, 864, 873, 960, 970, 1080, 1164, 1296, 1440, 1455, 1552, 1574, 1620, 1728, 1746, 1940, 2160, 2328, 2361, 2592, 2619, 2880, 2910, 3104, 3148, 3240, 3492, 3880, 3935, 4320, 4365, 4656, 4722, 5184, 5238, 5820, 6208, 6296, 6480, 6984, 7083, 7760, 7857, 7870, 8640, 8730, 9312, 9444, 10476, 11640, 11805, 12592, 12960, 13095, 13968, 14166, 15520, 15714, 15740, 17460, 18624, 18888, 20952, 21249, 23280, 23610, 25184, 25920, 26190, 27936, 28332, 31040, 31428, 31480, 34920, 35415, 37776, 39285, 41904, 42498, 46560, 47220, 50368, 52380, 55872, 56664, 62856, 62960, 63747, 69840, 70830, 75552, 76339, 78570, 83808, 84996, 93120, 94440, 104760, 106245, 113328, 125712, 125920, 127494, 139680, 141660, 151104, 152678, 157140, 167616, 169992, 188880, 209520, 212490, 226656, 229017, 251424, 251840, 254988, 279360, 283320, 305356, 314280, 318735, 339984, 377760, 381695, 419040, 424980, 453312, 458034, 502848, 509976, 566640, 610712, 628560, 637470, 679968, 687051, 755520, 763390, 838080, 849960, 916068, 1019952, 1133280, 1145085, 1221424, 1257120, 1274940, 1359936, 1374102, 1526780, 1699920, 1832136, 2039904, 2061153, 2266560, 2290170, 2442848, 2514240, 2549880, 2748204, 3053560, 3399840, 3435255, 3664272, 4079808, 4122306, 4580340, 4885696, 5099760, 5496408, 6107120, 6183459, 6799680, 6870510, 7328544, 8244612, 9160680, 10199520, 10305765, 10992816, 12214240, 12366918, 13741020, 14657088, 16489224, 18321360, 20399040, 20611530, 21985632, 24428480, 24733836, 27482040, 30917295, 32978448, 36642720, 41223060, 43971264, 49467672, 54964080, 61834590, 65956896, 73285440, 82446120, 98935344, 109928160, 123669180, 131913792, 164892240, 197870688, 219856320, 247338360, 329784480, 395741376, 494676720, 659568960, 989353440, 1978706880]

約数ペア:

[(1, 1978706880), (2, 989353440), (3, 659568960), (4, 494676720), (5, 395741376), (6, 329784480), (8, 247338360), (9, 219856320), (10, 197870688), (12, 164892240), (15, 131913792), (16, 123669180), (18, 109928160), (20, 98935344), (24, 82446120), (27, 73285440), (30, 65956896), (32, 61834590), (36, 54964080), (40, 49467672), (45, 43971264), (48, 41223060), (54, 36642720), (60, 32978448), (64, 30917295), (72, 27482040), (80, 24733836), (81, 24428480), (90, 21985632), (96, 20611530), (97, 20399040), (108, 18321360), (120, 16489224), (135, 14657088), (144, 13741020), (160, 12366918), (162, 12214240), (180, 10992816), (192, 10305765), (194, 10199520), (216, 9160680), (240, 8244612), (270, 7328544), (288, 6870510), (291, 6799680), (320, 6183459), (324, 6107120), (360, 5496408), (388, 5099760), (405, 4885696), (432, 4580340), (480, 4122306), (485, 4079808), (540, 3664272), (576, 3435255), (582, 3399840), (648, 3053560), (720, 2748204), (776, 2549880), (787, 2514240), (810, 2442848), (864, 2290170), (873, 2266560), (960, 2061153), (970, 2039904), (1080, 1832136), (1164, 1699920), (1296, 1526780), (1440, 1374102), (1455, 1359936), (1552, 1274940), (1574, 1257120), (1620, 1221424), (1728, 1145085), (1746, 1133280), (1940, 1019952), (2160, 916068), (2328, 849960), (2361, 838080), (2592, 763390), (2619, 755520), (2880, 687051), (2910, 679968), (3104, 637470), (3148, 628560), (3240, 610712), (3492, 566640), (3880, 509976), (3935, 502848), (4320, 458034), (4365, 453312), (4656, 424980), (4722, 419040), (5184, 381695), (5238, 377760), (5820, 339984), (6208, 318735), (6296, 314280), (6480, 305356), (6984, 283320), (7083, 279360), (7760, 254988), (7857, 251840), (7870, 251424), (8640, 229017), (8730, 226656), (9312, 212490), (9444, 209520), (10476, 188880), (11640, 169992), (11805, 167616), (12592, 157140), (12960, 152678), (13095, 151104), (13968, 141660), (14166, 139680), (15520, 127494), (15714, 125920), (15740, 125712), (17460, 113328), (18624, 106245), (18888, 104760), (20952, 94440), (21249, 93120), (23280, 84996), (23610, 83808), (25184, 78570), (25920, 76339), (26190, 75552), (27936, 70830), (28332, 69840), (31040, 63747), (31428, 62960), (31480, 62856), (34920, 56664), (35415, 55872), (37776, 52380), (39285, 50368), (41904, 47220), (42498, 46560)]