261745152

素因数分解:

$2^9\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:314

約数の個数: 160

約数和(自身を含む): 754237440

約数和(自身を除く): 492492288

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, 184, 186, 192, 239, 248, 256, 276, 368, 372, 384, 478, 496, 512, 552, 713, 717, 736, 744, 768, 956, 992, 1104, 1426, 1434, 1472, 1488, 1536, 1912, 1984, 2139, 2208, 2852, 2868, 2944, 2976, 3824, 3968, 4278, 4416, 5497, 5704, 5736, 5888, 5952, 7409, 7648, 7936, 8556, 8832, 10994, 11408, 11472, 11776, 11904, 14818, 15296, 15872, 16491, 17112, 17664, 21988, 22227, 22816, 22944, 23808, 29636, 30592, 32982, 34224, 35328, 43976, 44454, 45632, 45888, 47616, 59272, 61184, 65964, 68448, 87952, 88908, 91264, 91776, 118544, 122368, 131928, 136896, 170407, 175904, 177816, 182528, 183552, 237088, 263856, 273792, 340814, 351808, 355632, 365056, 367104, 474176, 511221, 527712, 547584, 681628, 703616, 711264, 948352, 1022442, 1055424, 1095168, 1363256, 1407232, 1422528, 1896704, 2044884, 2110848, 2726512, 2814464, 2845056, 3793408, 4089768, 4221696, 5453024, 5690112, 8179536, 8443392, 10906048, 11380224, 16359072, 21812096, 32718144, 43624192, 65436288, 87248384, 130872576, 261745152]

約数ペア:

[(1, 261745152), (2, 130872576), (3, 87248384), (4, 65436288), (6, 43624192), (8, 32718144), (12, 21812096), (16, 16359072), (23, 11380224), (24, 10906048), (31, 8443392), (32, 8179536), (46, 5690112), (48, 5453024), (62, 4221696), (64, 4089768), (69, 3793408), (92, 2845056), (93, 2814464), (96, 2726512), (124, 2110848), (128, 2044884), (138, 1896704), (184, 1422528), (186, 1407232), (192, 1363256), (239, 1095168), (248, 1055424), (256, 1022442), (276, 948352), (368, 711264), (372, 703616), (384, 681628), (478, 547584), (496, 527712), (512, 511221), (552, 474176), (713, 367104), (717, 365056), (736, 355632), (744, 351808), (768, 340814), (956, 273792), (992, 263856), (1104, 237088), (1426, 183552), (1434, 182528), (1472, 177816), (1488, 175904), (1536, 170407), (1912, 136896), (1984, 131928), (2139, 122368), (2208, 118544), (2852, 91776), (2868, 91264), (2944, 88908), (2976, 87952), (3824, 68448), (3968, 65964), (4278, 61184), (4416, 59272), (5497, 47616), (5704, 45888), (5736, 45632), (5888, 44454), (5952, 43976), (7409, 35328), (7648, 34224), (7936, 32982), (8556, 30592), (8832, 29636), (10994, 23808), (11408, 22944), (11472, 22816), (11776, 22227), (11904, 21988), (14818, 17664), (15296, 17112), (15872, 16491)]