156977440

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9001}}^1$

素因数の和:9125

約数の個数: 48

約数和(自身を含む): 374303160

約数和(自身を除く): 217325720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 8720, 9001, 17440, 18002, 36004, 45005, 72008, 90010, 144016, 180020, 288032, 360040, 720080, 981109, 1440160, 1962218, 3924436, 4905545, 7848872, 9811090, 15697744, 19622180, 31395488, 39244360, 78488720, 156977440]

約数ペア:

[(1, 156977440), (2, 78488720), (4, 39244360), (5, 31395488), (8, 19622180), (10, 15697744), (16, 9811090), (20, 7848872), (32, 4905545), (40, 3924436), (80, 1962218), (109, 1440160), (160, 981109), (218, 720080), (436, 360040), (545, 288032), (872, 180020), (1090, 144016), (1744, 90010), (2180, 72008), (3488, 45005), (4360, 36004), (8720, 18002), (9001, 17440)]