80317020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191231}}^1$

素因数の和:191250

約数の個数: 48

約数和(自身を含む): 257015808

約数和(自身を除く): 176698788

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, 191231, 382462, 573693, 764924, 956155, 1147386, 1338617, 1912310, 2294772, 2677234, 2868465, 3824620, 4015851, 5354468, 5736930, 6693085, 8031702, 11473860, 13386170, 16063404, 20079255, 26772340, 40158510, 80317020]

約数ペア:

[(1, 80317020), (2, 40158510), (3, 26772340), (4, 20079255), (5, 16063404), (6, 13386170), (7, 11473860), (10, 8031702), (12, 6693085), (14, 5736930), (15, 5354468), (20, 4015851), (21, 3824620), (28, 2868465), (30, 2677234), (35, 2294772), (42, 1912310), (60, 1338617), (70, 1147386), (84, 956155), (105, 764924), (140, 573693), (210, 382462), (420, 191231)]