261476592

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^2$

素因数の和:355

約数の個数: 120

約数和(自身を含む): 775169136

約数和(自身を除く): 513692544

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 34, 39, 48, 51, 52, 68, 78, 102, 104, 136, 156, 157, 204, 208, 221, 272, 312, 314, 408, 442, 471, 624, 628, 663, 816, 884, 942, 1256, 1326, 1768, 1884, 2041, 2512, 2652, 2669, 3536, 3768, 4082, 5304, 5338, 6123, 7536, 8007, 8164, 10608, 10676, 12246, 16014, 16328, 21352, 24492, 24649, 32028, 32656, 34697, 42704, 48984, 49298, 64056, 69394, 73947, 97968, 98596, 104091, 128112, 138788, 147894, 197192, 208182, 277576, 295788, 320437, 394384, 416364, 419033, 555152, 591576, 640874, 832728, 838066, 961311, 1183152, 1257099, 1281748, 1665456, 1676132, 1922622, 2514198, 2563496, 3352264, 3845244, 5028396, 5126992, 5447429, 6704528, 7690488, 10056792, 10894858, 15380976, 16342287, 20113584, 21789716, 32684574, 43579432, 65369148, 87158864, 130738296, 261476592]

約数ペア:

[(1, 261476592), (2, 130738296), (3, 87158864), (4, 65369148), (6, 43579432), (8, 32684574), (12, 21789716), (13, 20113584), (16, 16342287), (17, 15380976), (24, 10894858), (26, 10056792), (34, 7690488), (39, 6704528), (48, 5447429), (51, 5126992), (52, 5028396), (68, 3845244), (78, 3352264), (102, 2563496), (104, 2514198), (136, 1922622), (156, 1676132), (157, 1665456), (204, 1281748), (208, 1257099), (221, 1183152), (272, 961311), (312, 838066), (314, 832728), (408, 640874), (442, 591576), (471, 555152), (624, 419033), (628, 416364), (663, 394384), (816, 320437), (884, 295788), (942, 277576), (1256, 208182), (1326, 197192), (1768, 147894), (1884, 138788), (2041, 128112), (2512, 104091), (2652, 98596), (2669, 97968), (3536, 73947), (3768, 69394), (4082, 64056), (5304, 49298), (5338, 48984), (6123, 42704), (7536, 34697), (8007, 32656), (8164, 32028), (10608, 24649), (10676, 24492), (12246, 21352), (16014, 16328)]