12981270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 33073920

約数和(自身を除く): 20092650

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 43, 58, 86, 87, 129, 145, 174, 215, 258, 290, 347, 430, 435, 645, 694, 870, 1041, 1247, 1290, 1735, 2082, 2494, 3470, 3741, 5205, 6235, 7482, 10063, 10410, 12470, 14921, 18705, 20126, 29842, 30189, 37410, 44763, 50315, 60378, 74605, 89526, 100630, 149210, 150945, 223815, 301890, 432709, 447630, 865418, 1298127, 2163545, 2596254, 4327090, 6490635, 12981270]

約数ペア:

[(1, 12981270), (2, 6490635), (3, 4327090), (5, 2596254), (6, 2163545), (10, 1298127), (15, 865418), (29, 447630), (30, 432709), (43, 301890), (58, 223815), (86, 150945), (87, 149210), (129, 100630), (145, 89526), (174, 74605), (215, 60378), (258, 50315), (290, 44763), (347, 37410), (430, 30189), (435, 29842), (645, 20126), (694, 18705), (870, 14921), (1041, 12470), (1247, 10410), (1290, 10063), (1735, 7482), (2082, 6235), (2494, 5205), (3470, 3741)]