30680720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{54787}}^1$

素因数の和:54807

約数の個数: 40

約数和(自身を含む): 81524544

約数和(自身を除く): 50843824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 54787, 109574, 219148, 273935, 383509, 438296, 547870, 767018, 876592, 1095740, 1534036, 1917545, 2191480, 3068072, 3835090, 4382960, 6136144, 7670180, 15340360, 30680720]

約数ペア:

[(1, 30680720), (2, 15340360), (4, 7670180), (5, 6136144), (7, 4382960), (8, 3835090), (10, 3068072), (14, 2191480), (16, 1917545), (20, 1534036), (28, 1095740), (35, 876592), (40, 767018), (56, 547870), (70, 438296), (80, 383509), (112, 273935), (140, 219148), (280, 109574), (560, 54787)]