81928140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2011}}^1$

素因数の和:2127

約数の個数: 96

約数和(自身を含む): 265004544

約数和(自身を除く): 183076404

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 97, 105, 140, 194, 210, 291, 388, 420, 485, 582, 679, 970, 1164, 1358, 1455, 1940, 2011, 2037, 2716, 2910, 3395, 4022, 4074, 5820, 6033, 6790, 8044, 8148, 10055, 10185, 12066, 13580, 14077, 20110, 20370, 24132, 28154, 30165, 40220, 40740, 42231, 56308, 60330, 70385, 84462, 120660, 140770, 168924, 195067, 211155, 281540, 390134, 422310, 585201, 780268, 844620, 975335, 1170402, 1365469, 1950670, 2340804, 2730938, 2926005, 3901340, 4096407, 5461876, 5852010, 6827345, 8192814, 11704020, 13654690, 16385628, 20482035, 27309380, 40964070, 81928140]

約数ペア:

[(1, 81928140), (2, 40964070), (3, 27309380), (4, 20482035), (5, 16385628), (6, 13654690), (7, 11704020), (10, 8192814), (12, 6827345), (14, 5852010), (15, 5461876), (20, 4096407), (21, 3901340), (28, 2926005), (30, 2730938), (35, 2340804), (42, 1950670), (60, 1365469), (70, 1170402), (84, 975335), (97, 844620), (105, 780268), (140, 585201), (194, 422310), (210, 390134), (291, 281540), (388, 211155), (420, 195067), (485, 168924), (582, 140770), (679, 120660), (970, 84462), (1164, 70385), (1358, 60330), (1455, 56308), (1940, 42231), (2011, 40740), (2037, 40220), (2716, 30165), (2910, 28154), (3395, 24132), (4022, 20370), (4074, 20110), (5820, 14077), (6033, 13580), (6790, 12066), (8044, 10185), (8148, 10055)]