81332460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41077}}^1$

素因数の和:41103

約数の個数: 72

約数和(自身を含む): 269143056

約数和(自身を除く): 187810596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 41077, 82154, 123231, 164308, 205385, 246462, 369693, 410770, 451847, 492924, 616155, 739386, 821540, 903694, 1232310, 1355541, 1478772, 1807388, 1848465, 2259235, 2464620, 2711082, 3696930, 4066623, 4518470, 5422164, 6777705, 7393860, 8133246, 9036940, 13555410, 16266492, 20333115, 27110820, 40666230, 81332460]

約数ペア:

[(1, 81332460), (2, 40666230), (3, 27110820), (4, 20333115), (5, 16266492), (6, 13555410), (9, 9036940), (10, 8133246), (11, 7393860), (12, 6777705), (15, 5422164), (18, 4518470), (20, 4066623), (22, 3696930), (30, 2711082), (33, 2464620), (36, 2259235), (44, 1848465), (45, 1807388), (55, 1478772), (60, 1355541), (66, 1232310), (90, 903694), (99, 821540), (110, 739386), (132, 616155), (165, 492924), (180, 451847), (198, 410770), (220, 369693), (330, 246462), (396, 205385), (495, 164308), (660, 123231), (990, 82154), (1980, 41077)]