81294360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{96779}}^1$

素因数の和:96800

約数の個数: 64

約数和(自身を含む): 278726400

約数和(自身を除く): 197432040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 96779, 193558, 290337, 387116, 483895, 580674, 677453, 774232, 967790, 1161348, 1354906, 1451685, 1935580, 2032359, 2322696, 2709812, 2903370, 3387265, 3871160, 4064718, 5419624, 5806740, 6774530, 8129436, 10161795, 11613480, 13549060, 16258872, 20323590, 27098120, 40647180, 81294360]

約数ペア:

[(1, 81294360), (2, 40647180), (3, 27098120), (4, 20323590), (5, 16258872), (6, 13549060), (7, 11613480), (8, 10161795), (10, 8129436), (12, 6774530), (14, 5806740), (15, 5419624), (20, 4064718), (21, 3871160), (24, 3387265), (28, 2903370), (30, 2709812), (35, 2322696), (40, 2032359), (42, 1935580), (56, 1451685), (60, 1354906), (70, 1161348), (84, 967790), (105, 774232), (120, 677453), (140, 580674), (168, 483895), (210, 387116), (280, 290337), (420, 193558), (840, 96779)]