15820227920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{279707}}^1$

素因数の和:279828

約数の個数: 80

約数和(自身を含む): 42452961408

約数和(自身を除く): 26632733488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 505, 560, 707, 808, 1010, 1414, 1616, 2020, 2828, 3535, 4040, 5656, 7070, 8080, 11312, 14140, 28280, 56560, 279707, 559414, 1118828, 1398535, 1957949, 2237656, 2797070, 3915898, 4475312, 5594140, 7831796, 9789745, 11188280, 15663592, 19579490, 22376560, 28250407, 31327184, 39158980, 56500814, 78317960, 113001628, 141252035, 156635920, 197752849, 226003256, 282504070, 395505698, 452006512, 565008140, 791011396, 988764245, 1130016280, 1582022792, 1977528490, 2260032560, 3164045584, 3955056980, 7910113960, 15820227920]

約数ペア:

[(1, 15820227920), (2, 7910113960), (4, 3955056980), (5, 3164045584), (7, 2260032560), (8, 1977528490), (10, 1582022792), (14, 1130016280), (16, 988764245), (20, 791011396), (28, 565008140), (35, 452006512), (40, 395505698), (56, 282504070), (70, 226003256), (80, 197752849), (101, 156635920), (112, 141252035), (140, 113001628), (202, 78317960), (280, 56500814), (404, 39158980), (505, 31327184), (560, 28250407), (707, 22376560), (808, 19579490), (1010, 15663592), (1414, 11188280), (1616, 9789745), (2020, 7831796), (2828, 5594140), (3535, 4475312), (4040, 3915898), (5656, 2797070), (7070, 2237656), (8080, 1957949), (11312, 1398535), (14140, 1118828), (28280, 559414), (56560, 279707)]