82806780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{197159}}^1$

素因数の和:197178

約数の個数: 48

約数和(自身を含む): 264983040

約数和(自身を除く): 182176260

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, 197159, 394318, 591477, 788636, 985795, 1182954, 1380113, 1971590, 2365908, 2760226, 2957385, 3943180, 4140339, 5520452, 5914770, 6900565, 8280678, 11829540, 13801130, 16561356, 20701695, 27602260, 41403390, 82806780]

約数ペア:

[(1, 82806780), (2, 41403390), (3, 27602260), (4, 20701695), (5, 16561356), (6, 13801130), (7, 11829540), (10, 8280678), (12, 6900565), (14, 5914770), (15, 5520452), (20, 4140339), (21, 3943180), (28, 2957385), (30, 2760226), (35, 2365908), (42, 1971590), (60, 1380113), (70, 1182954), (84, 985795), (105, 788636), (140, 591477), (210, 394318), (420, 197159)]