71777580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{170899}}^1$

素因数の和:170918

約数の個数: 48

約数和(自身を含む): 229689600

約数和(自身を除く): 157912020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 170899, 341798, 512697, 683596, 854495, 1025394, 1196293, 1708990, 2050788, 2392586, 2563485, 3417980, 3588879, 4785172, 5126970, 5981465, 7177758, 10253940, 11962930, 14355516, 17944395, 23925860, 35888790, 71777580]

約数ペア:

[(1, 71777580), (2, 35888790), (3, 23925860), (4, 17944395), (5, 14355516), (6, 11962930), (7, 10253940), (10, 7177758), (12, 5981465), (14, 5126970), (15, 4785172), (20, 3588879), (21, 3417980), (28, 2563485), (30, 2392586), (35, 2050788), (42, 1708990), (60, 1196293), (70, 1025394), (84, 854495), (105, 683596), (140, 512697), (210, 341798), (420, 170899)]