81689184

素因数分解:

$2^5\times 3^2\times {\mathrm{89}}^1\times {\mathrm{3187}}^1$

素因数の和:3292

約数の個数: 72

約数和(自身を含む): 234987480

約数和(自身を除く): 153298296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 89, 96, 144, 178, 267, 288, 356, 534, 712, 801, 1068, 1424, 1602, 2136, 2848, 3187, 3204, 4272, 6374, 6408, 8544, 9561, 12748, 12816, 19122, 25496, 25632, 28683, 38244, 50992, 57366, 76488, 101984, 114732, 152976, 229464, 283643, 305952, 458928, 567286, 850929, 917856, 1134572, 1701858, 2269144, 2552787, 3403716, 4538288, 5105574, 6807432, 9076576, 10211148, 13614864, 20422296, 27229728, 40844592, 81689184]

約数ペア:

[(1, 81689184), (2, 40844592), (3, 27229728), (4, 20422296), (6, 13614864), (8, 10211148), (9, 9076576), (12, 6807432), (16, 5105574), (18, 4538288), (24, 3403716), (32, 2552787), (36, 2269144), (48, 1701858), (72, 1134572), (89, 917856), (96, 850929), (144, 567286), (178, 458928), (267, 305952), (288, 283643), (356, 229464), (534, 152976), (712, 114732), (801, 101984), (1068, 76488), (1424, 57366), (1602, 50992), (2136, 38244), (2848, 28683), (3187, 25632), (3204, 25496), (4272, 19122), (6374, 12816), (6408, 12748), (8544, 9561)]