81906660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13789}}^1$

素因数の和:13818

約数の個数: 96

約数和(自身を含む): 278006400

約数和(自身を除く): 196099740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 5940, 13789, 27578, 41367, 55156, 68945, 82734, 124101, 137890, 151679, 165468, 206835, 248202, 275780, 303358, 372303, 413670, 455037, 496404, 606716, 620505, 744606, 758395, 827340, 910074, 1241010, 1365111, 1489212, 1516790, 1820148, 1861515, 2275185, 2482020, 2730222, 3033580, 3723030, 4095333, 4550370, 5460444, 6825555, 7446060, 8190666, 9100740, 13651110, 16381332, 20476665, 27302220, 40953330, 81906660]

約数ペア:

[(1, 81906660), (2, 40953330), (3, 27302220), (4, 20476665), (5, 16381332), (6, 13651110), (9, 9100740), (10, 8190666), (11, 7446060), (12, 6825555), (15, 5460444), (18, 4550370), (20, 4095333), (22, 3723030), (27, 3033580), (30, 2730222), (33, 2482020), (36, 2275185), (44, 1861515), (45, 1820148), (54, 1516790), (55, 1489212), (60, 1365111), (66, 1241010), (90, 910074), (99, 827340), (108, 758395), (110, 744606), (132, 620505), (135, 606716), (165, 496404), (180, 455037), (198, 413670), (220, 372303), (270, 303358), (297, 275780), (330, 248202), (396, 206835), (495, 165468), (540, 151679), (594, 137890), (660, 124101), (990, 82734), (1188, 68945), (1485, 55156), (1980, 41367), (2970, 27578), (5940, 13789)]