79797780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2297}}^1$

素因数の和:2505

約数の個数: 72

約数和(自身を含む): 243413352

約数和(自身を除く): 163615572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 579, 772, 965, 1158, 1737, 1930, 2297, 2316, 2895, 3474, 3860, 4594, 5790, 6891, 6948, 8685, 9188, 11485, 11580, 13782, 17370, 20673, 22970, 27564, 34455, 34740, 41346, 45940, 68910, 82692, 103365, 137820, 206730, 413460, 443321, 886642, 1329963, 1773284, 2216605, 2659926, 3989889, 4433210, 5319852, 6649815, 7979778, 8866420, 13299630, 15959556, 19949445, 26599260, 39898890, 79797780]

約数ペア:

[(1, 79797780), (2, 39898890), (3, 26599260), (4, 19949445), (5, 15959556), (6, 13299630), (9, 8866420), (10, 7979778), (12, 6649815), (15, 5319852), (18, 4433210), (20, 3989889), (30, 2659926), (36, 2216605), (45, 1773284), (60, 1329963), (90, 886642), (180, 443321), (193, 413460), (386, 206730), (579, 137820), (772, 103365), (965, 82692), (1158, 68910), (1737, 45940), (1930, 41346), (2297, 34740), (2316, 34455), (2895, 27564), (3474, 22970), (3860, 20673), (4594, 17370), (5790, 13782), (6891, 11580), (6948, 11485), (8685, 9188)]