15344980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2549}}^1$

素因数の和:2608

約数の個数: 48

約数和(自身を含む): 37699200

約数和(自身を除く): 22354220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 2549, 3010, 5098, 6020, 10196, 12745, 17843, 25490, 35686, 50980, 71372, 89215, 109607, 178430, 219214, 356860, 438428, 548035, 767249, 1096070, 1534498, 2192140, 3068996, 3836245, 7672490, 15344980]

約数ペア:

[(1, 15344980), (2, 7672490), (4, 3836245), (5, 3068996), (7, 2192140), (10, 1534498), (14, 1096070), (20, 767249), (28, 548035), (35, 438428), (43, 356860), (70, 219214), (86, 178430), (140, 109607), (172, 89215), (215, 71372), (301, 50980), (430, 35686), (602, 25490), (860, 17843), (1204, 12745), (1505, 10196), (2549, 6020), (3010, 5098)]