159921440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{142787}}^1$

素因数の和:142809

約数の個数: 48

約数和(自身を含む): 431790912

約数和(自身を除く): 271869472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 142787, 285574, 571148, 713935, 999509, 1142296, 1427870, 1999018, 2284592, 2855740, 3998036, 4569184, 4997545, 5711480, 7996072, 9995090, 11422960, 15992144, 19990180, 22845920, 31984288, 39980360, 79960720, 159921440]

約数ペア:

[(1, 159921440), (2, 79960720), (4, 39980360), (5, 31984288), (7, 22845920), (8, 19990180), (10, 15992144), (14, 11422960), (16, 9995090), (20, 7996072), (28, 5711480), (32, 4997545), (35, 4569184), (40, 3998036), (56, 2855740), (70, 2284592), (80, 1999018), (112, 1427870), (140, 1142296), (160, 999509), (224, 713935), (280, 571148), (560, 285574), (1120, 142787)]