1639776768

素因数分解:

$2^9\times 3^1\times 7^2\times {\mathrm{21787}}^1$

素因数の和:21822

約数の個数: 120

約数和(自身を含む): 5081920272

約数和(自身を除く): 3442143504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 256, 294, 336, 384, 392, 448, 512, 588, 672, 768, 784, 896, 1176, 1344, 1536, 1568, 1792, 2352, 2688, 3136, 3584, 4704, 5376, 6272, 9408, 10752, 12544, 18816, 21787, 25088, 37632, 43574, 65361, 75264, 87148, 130722, 152509, 174296, 261444, 305018, 348592, 457527, 522888, 610036, 697184, 915054, 1045776, 1067563, 1220072, 1394368, 1830108, 2091552, 2135126, 2440144, 2788736, 3202689, 3660216, 4183104, 4270252, 4880288, 5577472, 6405378, 7320432, 8366208, 8540504, 9760576, 11154944, 12810756, 14640864, 16732416, 17081008, 19521152, 25621512, 29281728, 33464832, 34162016, 39042304, 51243024, 58563456, 68324032, 78084608, 102486048, 117126912, 136648064, 204972096, 234253824, 273296128, 409944192, 546592256, 819888384, 1639776768]

約数ペア:

[(1, 1639776768), (2, 819888384), (3, 546592256), (4, 409944192), (6, 273296128), (7, 234253824), (8, 204972096), (12, 136648064), (14, 117126912), (16, 102486048), (21, 78084608), (24, 68324032), (28, 58563456), (32, 51243024), (42, 39042304), (48, 34162016), (49, 33464832), (56, 29281728), (64, 25621512), (84, 19521152), (96, 17081008), (98, 16732416), (112, 14640864), (128, 12810756), (147, 11154944), (168, 9760576), (192, 8540504), (196, 8366208), (224, 7320432), (256, 6405378), (294, 5577472), (336, 4880288), (384, 4270252), (392, 4183104), (448, 3660216), (512, 3202689), (588, 2788736), (672, 2440144), (768, 2135126), (784, 2091552), (896, 1830108), (1176, 1394368), (1344, 1220072), (1536, 1067563), (1568, 1045776), (1792, 915054), (2352, 697184), (2688, 610036), (3136, 522888), (3584, 457527), (4704, 348592), (5376, 305018), (6272, 261444), (9408, 174296), (10752, 152509), (12544, 130722), (18816, 87148), (21787, 75264), (25088, 65361), (37632, 43574)]