81539520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{541}}^1$

素因数の和:718

約数の個数: 112

約数和(自身を含む): 261018528

約数和(自身を除く): 179479008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 157, 160, 192, 240, 314, 320, 471, 480, 541, 628, 785, 942, 960, 1082, 1256, 1570, 1623, 1884, 2164, 2355, 2512, 2705, 3140, 3246, 3768, 4328, 4710, 5024, 5410, 6280, 6492, 7536, 8115, 8656, 9420, 10048, 10820, 12560, 12984, 15072, 16230, 17312, 18840, 21640, 25120, 25968, 30144, 32460, 34624, 37680, 43280, 50240, 51936, 64920, 75360, 84937, 86560, 103872, 129840, 150720, 169874, 173120, 254811, 259680, 339748, 424685, 509622, 519360, 679496, 849370, 1019244, 1274055, 1358992, 1698740, 2038488, 2548110, 2717984, 3397480, 4076976, 5096220, 5435968, 6794960, 8153952, 10192440, 13589920, 16307904, 20384880, 27179840, 40769760, 81539520]

約数ペア:

[(1, 81539520), (2, 40769760), (3, 27179840), (4, 20384880), (5, 16307904), (6, 13589920), (8, 10192440), (10, 8153952), (12, 6794960), (15, 5435968), (16, 5096220), (20, 4076976), (24, 3397480), (30, 2717984), (32, 2548110), (40, 2038488), (48, 1698740), (60, 1358992), (64, 1274055), (80, 1019244), (96, 849370), (120, 679496), (157, 519360), (160, 509622), (192, 424685), (240, 339748), (314, 259680), (320, 254811), (471, 173120), (480, 169874), (541, 150720), (628, 129840), (785, 103872), (942, 86560), (960, 84937), (1082, 75360), (1256, 64920), (1570, 51936), (1623, 50240), (1884, 43280), (2164, 37680), (2355, 34624), (2512, 32460), (2705, 30144), (3140, 25968), (3246, 25120), (3768, 21640), (4328, 18840), (4710, 17312), (5024, 16230), (5410, 15072), (6280, 12984), (6492, 12560), (7536, 10820), (8115, 10048), (8656, 9420)]