256525776

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:250

約数の個数: 180

約数和(自身を含む): 792949248

約数和(自身を除く): 536423472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 83, 104, 117, 127, 144, 156, 166, 169, 208, 234, 249, 254, 312, 332, 338, 381, 468, 498, 507, 508, 624, 664, 676, 747, 762, 936, 996, 1014, 1016, 1079, 1143, 1328, 1352, 1494, 1521, 1524, 1651, 1872, 1992, 2028, 2032, 2158, 2286, 2704, 2988, 3042, 3048, 3237, 3302, 3984, 4056, 4316, 4572, 4953, 5976, 6084, 6096, 6474, 6604, 8112, 8632, 9144, 9711, 9906, 10541, 11952, 12168, 12948, 13208, 14027, 14859, 17264, 18288, 19422, 19812, 21082, 21463, 24336, 25896, 26416, 28054, 29718, 31623, 38844, 39624, 42081, 42164, 42926, 51792, 56108, 59436, 63246, 64389, 77688, 79248, 84162, 84328, 85852, 94869, 112216, 118872, 126243, 126492, 128778, 137033, 155376, 168324, 168656, 171704, 189738, 193167, 224432, 237744, 252486, 252984, 257556, 274066, 336648, 343408, 379476, 386334, 411099, 504972, 505968, 515112, 548132, 673296, 758952, 772668, 822198, 1009944, 1030224, 1096264, 1233297, 1517904, 1545336, 1644396, 1781429, 2019888, 2192528, 2466594, 3090672, 3288792, 3562858, 4933188, 5344287, 6577584, 7125716, 9866376, 10688574, 14251432, 16032861, 19732752, 21377148, 28502864, 32065722, 42754296, 64131444, 85508592, 128262888, 256525776]

約数ペア:

[(1, 256525776), (2, 128262888), (3, 85508592), (4, 64131444), (6, 42754296), (8, 32065722), (9, 28502864), (12, 21377148), (13, 19732752), (16, 16032861), (18, 14251432), (24, 10688574), (26, 9866376), (36, 7125716), (39, 6577584), (48, 5344287), (52, 4933188), (72, 3562858), (78, 3288792), (83, 3090672), (104, 2466594), (117, 2192528), (127, 2019888), (144, 1781429), (156, 1644396), (166, 1545336), (169, 1517904), (208, 1233297), (234, 1096264), (249, 1030224), (254, 1009944), (312, 822198), (332, 772668), (338, 758952), (381, 673296), (468, 548132), (498, 515112), (507, 505968), (508, 504972), (624, 411099), (664, 386334), (676, 379476), (747, 343408), (762, 336648), (936, 274066), (996, 257556), (1014, 252984), (1016, 252486), (1079, 237744), (1143, 224432), (1328, 193167), (1352, 189738), (1494, 171704), (1521, 168656), (1524, 168324), (1651, 155376), (1872, 137033), (1992, 128778), (2028, 126492), (2032, 126243), (2158, 118872), (2286, 112216), (2704, 94869), (2988, 85852), (3042, 84328), (3048, 84162), (3237, 79248), (3302, 77688), (3984, 64389), (4056, 63246), (4316, 59436), (4572, 56108), (4953, 51792), (5976, 42926), (6084, 42164), (6096, 42081), (6474, 39624), (6604, 38844), (8112, 31623), (8632, 29718), (9144, 28054), (9711, 26416), (9906, 25896), (10541, 24336), (11952, 21463), (12168, 21082), (12948, 19812), (13208, 19422), (14027, 18288), (14859, 17264)]