257732160

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{5479}}^1$

素因数の和:5513

約数の個数: 168

約数和(自身を含む): 952073280

約数和(自身を除く): 694341120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 672, 735, 784, 840, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1960, 2240, 2352, 2940, 3136, 3360, 3920, 4704, 5479, 5880, 6720, 7840, 9408, 10958, 11760, 15680, 16437, 21916, 23520, 27395, 32874, 38353, 43832, 47040, 54790, 65748, 76706, 82185, 87664, 109580, 115059, 131496, 153412, 164370, 175328, 191765, 219160, 230118, 262992, 268471, 306824, 328740, 350656, 383530, 438320, 460236, 525984, 536942, 575295, 613648, 657480, 767060, 805413, 876640, 920472, 1051968, 1073884, 1150590, 1227296, 1314960, 1342355, 1534120, 1610826, 1753280, 1840944, 2147768, 2301180, 2454592, 2629920, 2684710, 3068240, 3221652, 3681888, 4027065, 4295536, 4602360, 5259840, 5369420, 6136480, 6443304, 7363776, 8054130, 8591072, 9204720, 10738840, 12272960, 12886608, 16108260, 17182144, 18409440, 21477680, 25773216, 32216520, 36818880, 42955360, 51546432, 64433040, 85910720, 128866080, 257732160]

約数ペア:

[(1, 257732160), (2, 128866080), (3, 85910720), (4, 64433040), (5, 51546432), (6, 42955360), (7, 36818880), (8, 32216520), (10, 25773216), (12, 21477680), (14, 18409440), (15, 17182144), (16, 16108260), (20, 12886608), (21, 12272960), (24, 10738840), (28, 9204720), (30, 8591072), (32, 8054130), (35, 7363776), (40, 6443304), (42, 6136480), (48, 5369420), (49, 5259840), (56, 4602360), (60, 4295536), (64, 4027065), (70, 3681888), (80, 3221652), (84, 3068240), (96, 2684710), (98, 2629920), (105, 2454592), (112, 2301180), (120, 2147768), (140, 1840944), (147, 1753280), (160, 1610826), (168, 1534120), (192, 1342355), (196, 1314960), (210, 1227296), (224, 1150590), (240, 1073884), (245, 1051968), (280, 920472), (294, 876640), (320, 805413), (336, 767060), (392, 657480), (420, 613648), (448, 575295), (480, 536942), (490, 525984), (560, 460236), (588, 438320), (672, 383530), (735, 350656), (784, 328740), (840, 306824), (960, 268471), (980, 262992), (1120, 230118), (1176, 219160), (1344, 191765), (1470, 175328), (1568, 164370), (1680, 153412), (1960, 131496), (2240, 115059), (2352, 109580), (2940, 87664), (3136, 82185), (3360, 76706), (3920, 65748), (4704, 54790), (5479, 47040), (5880, 43832), (6720, 38353), (7840, 32874), (9408, 27395), (10958, 23520), (11760, 21916), (15680, 16437)]