81590016

素因数分解:

$2^8\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:222

約数の個数: 144

約数和(自身を含む): 235468800

約数和(自身を除く): 153878784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 31, 32, 46, 48, 62, 64, 69, 92, 93, 96, 124, 128, 138, 149, 184, 186, 192, 248, 256, 276, 298, 368, 372, 384, 447, 496, 552, 596, 713, 736, 744, 768, 894, 992, 1104, 1192, 1426, 1472, 1488, 1788, 1984, 2139, 2208, 2384, 2852, 2944, 2976, 3427, 3576, 3968, 4278, 4416, 4619, 4768, 5704, 5888, 5952, 6854, 7152, 7936, 8556, 8832, 9238, 9536, 10281, 11408, 11904, 13708, 13857, 14304, 17112, 17664, 18476, 19072, 20562, 22816, 23808, 27416, 27714, 28608, 34224, 36952, 38144, 41124, 45632, 54832, 55428, 57216, 68448, 73904, 82248, 91264, 106237, 109664, 110856, 114432, 136896, 147808, 164496, 182528, 212474, 219328, 221712, 273792, 295616, 318711, 328992, 424948, 438656, 443424, 547584, 591232, 637422, 657984, 849896, 877312, 886848, 1182464, 1274844, 1315968, 1699792, 1773696, 2549688, 2631936, 3399584, 3547392, 5099376, 6799168, 10198752, 13598336, 20397504, 27196672, 40795008, 81590016]

約数ペア:

[(1, 81590016), (2, 40795008), (3, 27196672), (4, 20397504), (6, 13598336), (8, 10198752), (12, 6799168), (16, 5099376), (23, 3547392), (24, 3399584), (31, 2631936), (32, 2549688), (46, 1773696), (48, 1699792), (62, 1315968), (64, 1274844), (69, 1182464), (92, 886848), (93, 877312), (96, 849896), (124, 657984), (128, 637422), (138, 591232), (149, 547584), (184, 443424), (186, 438656), (192, 424948), (248, 328992), (256, 318711), (276, 295616), (298, 273792), (368, 221712), (372, 219328), (384, 212474), (447, 182528), (496, 164496), (552, 147808), (596, 136896), (713, 114432), (736, 110856), (744, 109664), (768, 106237), (894, 91264), (992, 82248), (1104, 73904), (1192, 68448), (1426, 57216), (1472, 55428), (1488, 54832), (1788, 45632), (1984, 41124), (2139, 38144), (2208, 36952), (2384, 34224), (2852, 28608), (2944, 27714), (2976, 27416), (3427, 23808), (3576, 22816), (3968, 20562), (4278, 19072), (4416, 18476), (4619, 17664), (4768, 17112), (5704, 14304), (5888, 13857), (5952, 13708), (6854, 11904), (7152, 11408), (7936, 10281), (8556, 9536), (8832, 9238)]