15403780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2341}}^1$

素因数の和:2404

約数の個数: 48

約数和(自身を含む): 37771776

約数和(自身を除く): 22367996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2341, 3290, 4682, 6580, 9364, 11705, 16387, 23410, 32774, 46820, 65548, 81935, 110027, 163870, 220054, 327740, 440108, 550135, 770189, 1100270, 1540378, 2200540, 3080756, 3850945, 7701890, 15403780]

約数ペア:

[(1, 15403780), (2, 7701890), (4, 3850945), (5, 3080756), (7, 2200540), (10, 1540378), (14, 1100270), (20, 770189), (28, 550135), (35, 440108), (47, 327740), (70, 220054), (94, 163870), (140, 110027), (188, 81935), (235, 65548), (329, 46820), (470, 32774), (658, 23410), (940, 16387), (1316, 11705), (1645, 9364), (2341, 6580), (3290, 4682)]