181231008

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{653}}^1$

素因数の和:739

約数の個数: 144

約数和(自身を含む): 563643360

約数和(自身を除く): 382412352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 59, 84, 96, 98, 112, 118, 147, 168, 177, 196, 224, 236, 294, 336, 354, 392, 413, 472, 588, 653, 672, 708, 784, 826, 944, 1176, 1239, 1306, 1416, 1568, 1652, 1888, 1959, 2352, 2478, 2612, 2832, 2891, 3304, 3918, 4571, 4704, 4956, 5224, 5664, 5782, 6608, 7836, 8673, 9142, 9912, 10448, 11564, 13216, 13713, 15672, 17346, 18284, 19824, 20896, 23128, 27426, 31344, 31997, 34692, 36568, 38527, 39648, 46256, 54852, 62688, 63994, 69384, 73136, 77054, 92512, 95991, 109704, 115581, 127988, 138768, 146272, 154108, 191982, 219408, 231162, 255976, 269689, 277536, 308216, 383964, 438816, 462324, 511952, 539378, 616432, 767928, 809067, 924648, 1023904, 1078756, 1232864, 1535856, 1618134, 1849296, 1887823, 2157512, 3071712, 3236268, 3698592, 3775646, 4315024, 5663469, 6472536, 7551292, 8630048, 11326938, 12945072, 15102584, 22653876, 25890144, 30205168, 45307752, 60410336, 90615504, 181231008]

約数ペア:

[(1, 181231008), (2, 90615504), (3, 60410336), (4, 45307752), (6, 30205168), (7, 25890144), (8, 22653876), (12, 15102584), (14, 12945072), (16, 11326938), (21, 8630048), (24, 7551292), (28, 6472536), (32, 5663469), (42, 4315024), (48, 3775646), (49, 3698592), (56, 3236268), (59, 3071712), (84, 2157512), (96, 1887823), (98, 1849296), (112, 1618134), (118, 1535856), (147, 1232864), (168, 1078756), (177, 1023904), (196, 924648), (224, 809067), (236, 767928), (294, 616432), (336, 539378), (354, 511952), (392, 462324), (413, 438816), (472, 383964), (588, 308216), (653, 277536), (672, 269689), (708, 255976), (784, 231162), (826, 219408), (944, 191982), (1176, 154108), (1239, 146272), (1306, 138768), (1416, 127988), (1568, 115581), (1652, 109704), (1888, 95991), (1959, 92512), (2352, 77054), (2478, 73136), (2612, 69384), (2832, 63994), (2891, 62688), (3304, 54852), (3918, 46256), (4571, 39648), (4704, 38527), (4956, 36568), (5224, 34692), (5664, 31997), (5782, 31344), (6608, 27426), (7836, 23128), (8673, 20896), (9142, 19824), (9912, 18284), (10448, 17346), (11564, 15672), (13216, 13713)]