15966740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 35852544

約数和(自身を除く): 19885804

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 151, 170, 302, 311, 340, 604, 622, 755, 1244, 1510, 1555, 2567, 3020, 3110, 5134, 5287, 6220, 10268, 10574, 12835, 21148, 25670, 26435, 46961, 51340, 52870, 93922, 105740, 187844, 234805, 469610, 798337, 939220, 1596674, 3193348, 3991685, 7983370, 15966740]

約数ペア:

[(1, 15966740), (2, 7983370), (4, 3991685), (5, 3193348), (10, 1596674), (17, 939220), (20, 798337), (34, 469610), (68, 234805), (85, 187844), (151, 105740), (170, 93922), (302, 52870), (311, 51340), (340, 46961), (604, 26435), (622, 25670), (755, 21148), (1244, 12835), (1510, 10574), (1555, 10268), (2567, 6220), (3020, 5287), (3110, 5134)]