128236472

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 318259200

約数和(自身を除く): 190022728

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 73, 76, 91, 104, 127, 133, 146, 152, 182, 247, 254, 266, 292, 364, 494, 508, 511, 532, 584, 728, 889, 949, 988, 1016, 1022, 1064, 1387, 1651, 1729, 1778, 1898, 1976, 2044, 2413, 2774, 3302, 3458, 3556, 3796, 4088, 4826, 5548, 6604, 6643, 6916, 7112, 7592, 9271, 9652, 9709, 11096, 11557, 13208, 13286, 13832, 16891, 18031, 18542, 19304, 19418, 23114, 26572, 31369, 33782, 36062, 37084, 38836, 46228, 53144, 62738, 64897, 67564, 72124, 74168, 77672, 92456, 120523, 125476, 126217, 129794, 135128, 144248, 176149, 219583, 241046, 250952, 252434, 259588, 352298, 439166, 482092, 504868, 519176, 704596, 843661, 878332, 964184, 1009736, 1233043, 1409192, 1687322, 1756664, 2289937, 2466086, 3374644, 4579874, 4932172, 6749288, 9159748, 9864344, 16029559, 18319496, 32059118, 64118236, 128236472]

約数ペア:

[(1, 128236472), (2, 64118236), (4, 32059118), (7, 18319496), (8, 16029559), (13, 9864344), (14, 9159748), (19, 6749288), (26, 4932172), (28, 4579874), (38, 3374644), (52, 2466086), (56, 2289937), (73, 1756664), (76, 1687322), (91, 1409192), (104, 1233043), (127, 1009736), (133, 964184), (146, 878332), (152, 843661), (182, 704596), (247, 519176), (254, 504868), (266, 482092), (292, 439166), (364, 352298), (494, 259588), (508, 252434), (511, 250952), (532, 241046), (584, 219583), (728, 176149), (889, 144248), (949, 135128), (988, 129794), (1016, 126217), (1022, 125476), (1064, 120523), (1387, 92456), (1651, 77672), (1729, 74168), (1778, 72124), (1898, 67564), (1976, 64897), (2044, 62738), (2413, 53144), (2774, 46228), (3302, 38836), (3458, 37084), (3556, 36062), (3796, 33782), (4088, 31369), (4826, 26572), (5548, 23114), (6604, 19418), (6643, 19304), (6916, 18542), (7112, 18031), (7592, 16891), (9271, 13832), (9652, 13286), (9709, 13208), (11096, 11557)]