2520280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9001}}^1$

素因数の和:9019

約数の個数: 32

約数和(自身を含む): 6481440

約数和(自身を除く): 3961160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9001, 18002, 36004, 45005, 63007, 72008, 90010, 126014, 180020, 252028, 315035, 360040, 504056, 630070, 1260140, 2520280]

約数ペア:

[(1, 2520280), (2, 1260140), (4, 630070), (5, 504056), (7, 360040), (8, 315035), (10, 252028), (14, 180020), (20, 126014), (28, 90010), (35, 72008), (40, 63007), (56, 45005), (70, 36004), (140, 18002), (280, 9001)]