80785404

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{106859}}^1$

素因数の和:106879

約数の個数: 48

約数和(自身を含む): 239366400

約数和(自身を除く): 158580996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 106859, 213718, 320577, 427436, 641154, 748013, 961731, 1282308, 1496026, 1923462, 2244039, 2885193, 2992052, 3846924, 4488078, 5770386, 6732117, 8976156, 11540772, 13464234, 20196351, 26928468, 40392702, 80785404]

約数ペア:

[(1, 80785404), (2, 40392702), (3, 26928468), (4, 20196351), (6, 13464234), (7, 11540772), (9, 8976156), (12, 6732117), (14, 5770386), (18, 4488078), (21, 3846924), (27, 2992052), (28, 2885193), (36, 2244039), (42, 1923462), (54, 1496026), (63, 1282308), (84, 961731), (108, 748013), (126, 641154), (189, 427436), (252, 320577), (378, 213718), (756, 106859)]