1680560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3001}}^1$

素因数の和:3021

約数の個数: 40

約数和(自身を含む): 4466976

約数和(自身を除く): 2786416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3001, 6002, 12004, 15005, 21007, 24008, 30010, 42014, 48016, 60020, 84028, 105035, 120040, 168056, 210070, 240080, 336112, 420140, 840280, 1680560]

約数ペア:

[(1, 1680560), (2, 840280), (4, 420140), (5, 336112), (7, 240080), (8, 210070), (10, 168056), (14, 120040), (16, 105035), (20, 84028), (28, 60020), (35, 48016), (40, 42014), (56, 30010), (70, 24008), (80, 21007), (112, 15005), (140, 12004), (280, 6002), (560, 3001)]