255784704

素因数分解:

$2^8\times 3^1\times 7^3\times {\mathrm{971}}^1$

素因数の和:1011

約数の個数: 144

約数和(自身を含む): 794707200

約数和(自身を除く): 538922496

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, 343, 384, 392, 448, 588, 672, 686, 768, 784, 896, 971, 1029, 1176, 1344, 1372, 1568, 1792, 1942, 2058, 2352, 2688, 2744, 2913, 3136, 3884, 4116, 4704, 5376, 5488, 5826, 6272, 6797, 7768, 8232, 9408, 10976, 11652, 12544, 13594, 15536, 16464, 18816, 20391, 21952, 23304, 27188, 31072, 32928, 37632, 40782, 43904, 46608, 47579, 54376, 62144, 65856, 81564, 87808, 93216, 95158, 108752, 124288, 131712, 142737, 163128, 186432, 190316, 217504, 248576, 263424, 285474, 326256, 333053, 372864, 380632, 435008, 570948, 652512, 666106, 745728, 761264, 870016, 999159, 1141896, 1305024, 1332212, 1522528, 1740032, 1998318, 2283792, 2610048, 2664424, 3045056, 3996636, 4567584, 5220096, 5328848, 6090112, 7993272, 9135168, 10657696, 12180224, 15986544, 18270336, 21315392, 31973088, 36540672, 42630784, 63946176, 85261568, 127892352, 255784704]

約数ペア:

[(1, 255784704), (2, 127892352), (3, 85261568), (4, 63946176), (6, 42630784), (7, 36540672), (8, 31973088), (12, 21315392), (14, 18270336), (16, 15986544), (21, 12180224), (24, 10657696), (28, 9135168), (32, 7993272), (42, 6090112), (48, 5328848), (49, 5220096), (56, 4567584), (64, 3996636), (84, 3045056), (96, 2664424), (98, 2610048), (112, 2283792), (128, 1998318), (147, 1740032), (168, 1522528), (192, 1332212), (196, 1305024), (224, 1141896), (256, 999159), (294, 870016), (336, 761264), (343, 745728), (384, 666106), (392, 652512), (448, 570948), (588, 435008), (672, 380632), (686, 372864), (768, 333053), (784, 326256), (896, 285474), (971, 263424), (1029, 248576), (1176, 217504), (1344, 190316), (1372, 186432), (1568, 163128), (1792, 142737), (1942, 131712), (2058, 124288), (2352, 108752), (2688, 95158), (2744, 93216), (2913, 87808), (3136, 81564), (3884, 65856), (4116, 62144), (4704, 54376), (5376, 47579), (5488, 46608), (5826, 43904), (6272, 40782), (6797, 37632), (7768, 32928), (8232, 31072), (9408, 27188), (10976, 23304), (11652, 21952), (12544, 20391), (13594, 18816), (15536, 16464)]