90027560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6841}}^1$

素因数の和:6906

約数の個数: 64

約数和(自身を含む): 236459520

約数和(自身を除く): 146431960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 6580, 6841, 13160, 13682, 27364, 34205, 47887, 54728, 68410, 95774, 136820, 191548, 239435, 273640, 321527, 383096, 478870, 643054, 957740, 1286108, 1607635, 1915480, 2250689, 2572216, 3215270, 4501378, 6430540, 9002756, 11253445, 12861080, 18005512, 22506890, 45013780, 90027560]

約数ペア:

[(1, 90027560), (2, 45013780), (4, 22506890), (5, 18005512), (7, 12861080), (8, 11253445), (10, 9002756), (14, 6430540), (20, 4501378), (28, 3215270), (35, 2572216), (40, 2250689), (47, 1915480), (56, 1607635), (70, 1286108), (94, 957740), (140, 643054), (188, 478870), (235, 383096), (280, 321527), (329, 273640), (376, 239435), (470, 191548), (658, 136820), (940, 95774), (1316, 68410), (1645, 54728), (1880, 47887), (2632, 34205), (3290, 27364), (6580, 13682), (6841, 13160)]