81498120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2129}}^1$

素因数の和:2183

約数の個数: 128

約数和(自身を含む): 276048000

約数和(自身を除く): 194549880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 33, 40, 44, 55, 58, 60, 66, 87, 88, 110, 116, 120, 132, 145, 165, 174, 220, 232, 264, 290, 319, 330, 348, 435, 440, 580, 638, 660, 696, 870, 957, 1160, 1276, 1320, 1595, 1740, 1914, 2129, 2552, 3190, 3480, 3828, 4258, 4785, 6380, 6387, 7656, 8516, 9570, 10645, 12760, 12774, 17032, 19140, 21290, 23419, 25548, 31935, 38280, 42580, 46838, 51096, 61741, 63870, 70257, 85160, 93676, 117095, 123482, 127740, 140514, 185223, 187352, 234190, 246964, 255480, 281028, 308705, 351285, 370446, 468380, 493928, 562056, 617410, 679151, 702570, 740892, 926115, 936760, 1234820, 1358302, 1405140, 1481784, 1852230, 2037453, 2469640, 2716604, 2810280, 3395755, 3704460, 4074906, 5433208, 6791510, 7408920, 8149812, 10187265, 13583020, 16299624, 20374530, 27166040, 40749060, 81498120]

約数ペア:

[(1, 81498120), (2, 40749060), (3, 27166040), (4, 20374530), (5, 16299624), (6, 13583020), (8, 10187265), (10, 8149812), (11, 7408920), (12, 6791510), (15, 5433208), (20, 4074906), (22, 3704460), (24, 3395755), (29, 2810280), (30, 2716604), (33, 2469640), (40, 2037453), (44, 1852230), (55, 1481784), (58, 1405140), (60, 1358302), (66, 1234820), (87, 936760), (88, 926115), (110, 740892), (116, 702570), (120, 679151), (132, 617410), (145, 562056), (165, 493928), (174, 468380), (220, 370446), (232, 351285), (264, 308705), (290, 281028), (319, 255480), (330, 246964), (348, 234190), (435, 187352), (440, 185223), (580, 140514), (638, 127740), (660, 123482), (696, 117095), (870, 93676), (957, 85160), (1160, 70257), (1276, 63870), (1320, 61741), (1595, 51096), (1740, 46838), (1914, 42580), (2129, 38280), (2552, 31935), (3190, 25548), (3480, 23419), (3828, 21290), (4258, 19140), (4785, 17032), (6380, 12774), (6387, 12760), (7656, 10645), (8516, 9570)]