71877280

素因数分解:

$2^5\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1979}}^1$

素因数の和:2221

約数の個数: 48

約数和(自身を含む): 170644320

約数和(自身を除く): 98767040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 227, 454, 908, 1135, 1816, 1979, 2270, 3632, 3958, 4540, 7264, 7916, 9080, 9895, 15832, 18160, 19790, 31664, 36320, 39580, 63328, 79160, 158320, 316640, 449233, 898466, 1796932, 2246165, 3593864, 4492330, 7187728, 8984660, 14375456, 17969320, 35938640, 71877280]

約数ペア:

[(1, 71877280), (2, 35938640), (4, 17969320), (5, 14375456), (8, 8984660), (10, 7187728), (16, 4492330), (20, 3593864), (32, 2246165), (40, 1796932), (80, 898466), (160, 449233), (227, 316640), (454, 158320), (908, 79160), (1135, 63328), (1816, 39580), (1979, 36320), (2270, 31664), (3632, 19790), (3958, 18160), (4540, 15832), (7264, 9895), (7916, 9080)]