67760560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{121001}}^1$

素因数の和:121021

約数の個数: 40

約数和(自身を含む): 180050976

約数和(自身を除く): 112290416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 121001, 242002, 484004, 605005, 847007, 968008, 1210010, 1694014, 1936016, 2420020, 3388028, 4235035, 4840040, 6776056, 8470070, 9680080, 13552112, 16940140, 33880280, 67760560]

約数ペア:

[(1, 67760560), (2, 33880280), (4, 16940140), (5, 13552112), (7, 9680080), (8, 8470070), (10, 6776056), (14, 4840040), (16, 4235035), (20, 3388028), (28, 2420020), (35, 1936016), (40, 1694014), (56, 1210010), (70, 968008), (80, 847007), (112, 605005), (140, 484004), (280, 242002), (560, 121001)]