156799990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 301916160

約数和(自身を除く): 145116170

約数列:

[1, 2, 5, 10, 41, 47, 79, 82, 94, 103, 158, 205, 206, 235, 395, 410, 470, 515, 790, 1030, 1927, 3239, 3713, 3854, 4223, 4841, 6478, 7426, 8137, 8446, 9635, 9682, 16195, 16274, 18565, 19270, 21115, 24205, 32390, 37130, 40685, 42230, 48410, 81370, 152233, 198481, 304466, 333617, 382439, 396962, 667234, 761165, 764878, 992405, 1522330, 1668085, 1912195, 1984810, 3336170, 3824390, 15679999, 31359998, 78399995, 156799990]

約数ペア:

[(1, 156799990), (2, 78399995), (5, 31359998), (10, 15679999), (41, 3824390), (47, 3336170), (79, 1984810), (82, 1912195), (94, 1668085), (103, 1522330), (158, 992405), (205, 764878), (206, 761165), (235, 667234), (395, 396962), (410, 382439), (470, 333617), (515, 304466), (790, 198481), (1030, 152233), (1927, 81370), (3239, 48410), (3713, 42230), (3854, 40685), (4223, 37130), (4841, 32390), (6478, 24205), (7426, 21115), (8137, 19270), (8446, 18565), (9635, 16274), (9682, 16195)]