1276520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 3386880

約数和(自身を除く): 2110360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 97, 140, 188, 194, 235, 280, 329, 376, 388, 470, 485, 658, 679, 776, 940, 970, 1316, 1358, 1645, 1880, 1940, 2632, 2716, 3290, 3395, 3880, 4559, 5432, 6580, 6790, 9118, 13160, 13580, 18236, 22795, 27160, 31913, 36472, 45590, 63826, 91180, 127652, 159565, 182360, 255304, 319130, 638260, 1276520]

約数ペア:

[(1, 1276520), (2, 638260), (4, 319130), (5, 255304), (7, 182360), (8, 159565), (10, 127652), (14, 91180), (20, 63826), (28, 45590), (35, 36472), (40, 31913), (47, 27160), (56, 22795), (70, 18236), (94, 13580), (97, 13160), (140, 9118), (188, 6790), (194, 6580), (235, 5432), (280, 4559), (329, 3880), (376, 3395), (388, 3290), (470, 2716), (485, 2632), (658, 1940), (679, 1880), (776, 1645), (940, 1358), (970, 1316)]