81531504

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:379

約数の個数: 120

約数和(自身を含む): 241413120

約数和(自身を除く): 159881616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 103, 138, 144, 184, 206, 207, 239, 276, 309, 368, 412, 414, 478, 552, 618, 717, 824, 828, 927, 956, 1104, 1236, 1434, 1648, 1656, 1854, 1912, 2151, 2369, 2472, 2868, 3312, 3708, 3824, 4302, 4738, 4944, 5497, 5736, 7107, 7416, 8604, 9476, 10994, 11472, 14214, 14832, 16491, 17208, 18952, 21321, 21988, 24617, 28428, 32982, 34416, 37904, 42642, 43976, 49234, 49473, 56856, 65964, 73851, 85284, 87952, 98468, 98946, 113712, 131928, 147702, 170568, 196936, 197892, 221553, 263856, 295404, 341136, 393872, 395784, 443106, 566191, 590808, 791568, 886212, 1132382, 1181616, 1698573, 1772424, 2264764, 3397146, 3544848, 4529528, 5095719, 6794292, 9059056, 10191438, 13588584, 20382876, 27177168, 40765752, 81531504]

約数ペア:

[(1, 81531504), (2, 40765752), (3, 27177168), (4, 20382876), (6, 13588584), (8, 10191438), (9, 9059056), (12, 6794292), (16, 5095719), (18, 4529528), (23, 3544848), (24, 3397146), (36, 2264764), (46, 1772424), (48, 1698573), (69, 1181616), (72, 1132382), (92, 886212), (103, 791568), (138, 590808), (144, 566191), (184, 443106), (206, 395784), (207, 393872), (239, 341136), (276, 295404), (309, 263856), (368, 221553), (412, 197892), (414, 196936), (478, 170568), (552, 147702), (618, 131928), (717, 113712), (824, 98946), (828, 98468), (927, 87952), (956, 85284), (1104, 73851), (1236, 65964), (1434, 56856), (1648, 49473), (1656, 49234), (1854, 43976), (1912, 42642), (2151, 37904), (2369, 34416), (2472, 32982), (2868, 28428), (3312, 24617), (3708, 21988), (3824, 21321), (4302, 18952), (4738, 17208), (4944, 16491), (5497, 14832), (5736, 14214), (7107, 11472), (7416, 10994), (8604, 9476)]