81560196

素因数分解:

$2^2\times 3^4\times {\mathrm{139}}^1\times {\mathrm{1811}}^1$

素因数の和:1966

約数の個数: 60

約数和(自身を含む): 214866960

約数和(自身を除く): 133306764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 139, 162, 278, 324, 417, 556, 834, 1251, 1668, 1811, 2502, 3622, 3753, 5004, 5433, 7244, 7506, 10866, 11259, 15012, 16299, 21732, 22518, 32598, 45036, 48897, 65196, 97794, 146691, 195588, 251729, 293382, 503458, 586764, 755187, 1006916, 1510374, 2265561, 3020748, 4531122, 6796683, 9062244, 13593366, 20390049, 27186732, 40780098, 81560196]

約数ペア:

[(1, 81560196), (2, 40780098), (3, 27186732), (4, 20390049), (6, 13593366), (9, 9062244), (12, 6796683), (18, 4531122), (27, 3020748), (36, 2265561), (54, 1510374), (81, 1006916), (108, 755187), (139, 586764), (162, 503458), (278, 293382), (324, 251729), (417, 195588), (556, 146691), (834, 97794), (1251, 65196), (1668, 48897), (1811, 45036), (2502, 32598), (3622, 22518), (3753, 21732), (5004, 16299), (5433, 15012), (7244, 11259), (7506, 10866)]