68131728

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:541

約数の個数: 120

約数和(自身を含む): 219593088

約数和(自身を除く): 151461360

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 257, 263, 336, 504, 514, 526, 771, 789, 1008, 1028, 1052, 1542, 1578, 1799, 1841, 2056, 2104, 2313, 2367, 3084, 3156, 3598, 3682, 4112, 4208, 4626, 4734, 5397, 5523, 6168, 6312, 7196, 7364, 9252, 9468, 10794, 11046, 12336, 12624, 14392, 14728, 16191, 16569, 18504, 18936, 21588, 22092, 28784, 29456, 32382, 33138, 37008, 37872, 43176, 44184, 64764, 66276, 67591, 86352, 88368, 129528, 132552, 135182, 202773, 259056, 265104, 270364, 405546, 473137, 540728, 608319, 811092, 946274, 1081456, 1216638, 1419411, 1622184, 1892548, 2433276, 2838822, 3244368, 3785096, 4258233, 4866552, 5677644, 7570192, 8516466, 9733104, 11355288, 17032932, 22710576, 34065864, 68131728]

約数ペア:

[(1, 68131728), (2, 34065864), (3, 22710576), (4, 17032932), (6, 11355288), (7, 9733104), (8, 8516466), (9, 7570192), (12, 5677644), (14, 4866552), (16, 4258233), (18, 3785096), (21, 3244368), (24, 2838822), (28, 2433276), (36, 1892548), (42, 1622184), (48, 1419411), (56, 1216638), (63, 1081456), (72, 946274), (84, 811092), (112, 608319), (126, 540728), (144, 473137), (168, 405546), (252, 270364), (257, 265104), (263, 259056), (336, 202773), (504, 135182), (514, 132552), (526, 129528), (771, 88368), (789, 86352), (1008, 67591), (1028, 66276), (1052, 64764), (1542, 44184), (1578, 43176), (1799, 37872), (1841, 37008), (2056, 33138), (2104, 32382), (2313, 29456), (2367, 28784), (3084, 22092), (3156, 21588), (3598, 18936), (3682, 18504), (4112, 16569), (4208, 16191), (4626, 14728), (4734, 14392), (5397, 12624), (5523, 12336), (6168, 11046), (6312, 10794), (7196, 9468), (7364, 9252)]