80881668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1663}}^1$

素因数の和:1873

約数の個数: 72

約数和(自身を含む): 235010048

約数和(自身を除く): 154128380

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 193, 252, 386, 579, 772, 1158, 1351, 1663, 1737, 2316, 2702, 3326, 3474, 4053, 4989, 5404, 6652, 6948, 8106, 9978, 11641, 12159, 14967, 16212, 19956, 23282, 24318, 29934, 34923, 46564, 48636, 59868, 69846, 104769, 139692, 209538, 320959, 419076, 641918, 962877, 1283836, 1925754, 2246713, 2888631, 3851508, 4493426, 5777262, 6740139, 8986852, 11554524, 13480278, 20220417, 26960556, 40440834, 80881668]

約数ペア:

[(1, 80881668), (2, 40440834), (3, 26960556), (4, 20220417), (6, 13480278), (7, 11554524), (9, 8986852), (12, 6740139), (14, 5777262), (18, 4493426), (21, 3851508), (28, 2888631), (36, 2246713), (42, 1925754), (63, 1283836), (84, 962877), (126, 641918), (193, 419076), (252, 320959), (386, 209538), (579, 139692), (772, 104769), (1158, 69846), (1351, 59868), (1663, 48636), (1737, 46564), (2316, 34923), (2702, 29934), (3326, 24318), (3474, 23282), (4053, 19956), (4989, 16212), (5404, 14967), (6652, 12159), (6948, 11641), (8106, 9978)]