2680720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{4787}}^1$

素因数の和:4807

約数の個数: 40

約数和(自身を含む): 7124544

約数和(自身を除く): 4443824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4787, 9574, 19148, 23935, 33509, 38296, 47870, 67018, 76592, 95740, 134036, 167545, 191480, 268072, 335090, 382960, 536144, 670180, 1340360, 2680720]

約数ペア:

[(1, 2680720), (2, 1340360), (4, 670180), (5, 536144), (7, 382960), (8, 335090), (10, 268072), (14, 191480), (16, 167545), (20, 134036), (28, 95740), (35, 76592), (40, 67018), (56, 47870), (70, 38296), (80, 33509), (112, 23935), (140, 19148), (280, 9574), (560, 4787)]