81586120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26489}}^1$

素因数の和:26518

約数の個数: 64

約数和(自身を含む): 228873600

約数和(自身を除く): 147287480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 26489, 52978, 105956, 132445, 185423, 211912, 264890, 291379, 370846, 529780, 582758, 741692, 927115, 1059560, 1165516, 1456895, 1483384, 1854230, 2039653, 2331032, 2913790, 3708460, 4079306, 5827580, 7416920, 8158612, 10198265, 11655160, 16317224, 20396530, 40793060, 81586120]

約数ペア:

[(1, 81586120), (2, 40793060), (4, 20396530), (5, 16317224), (7, 11655160), (8, 10198265), (10, 8158612), (11, 7416920), (14, 5827580), (20, 4079306), (22, 3708460), (28, 2913790), (35, 2331032), (40, 2039653), (44, 1854230), (55, 1483384), (56, 1456895), (70, 1165516), (77, 1059560), (88, 927115), (110, 741692), (140, 582758), (154, 529780), (220, 370846), (280, 291379), (308, 264890), (385, 211912), (440, 185423), (616, 132445), (770, 105956), (1540, 52978), (3080, 26489)]