15018920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53639}}^1$

素因数の和:53657

約数の個数: 32

約数和(自身を含む): 38620800

約数和(自身を除く): 23601880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 53639, 107278, 214556, 268195, 375473, 429112, 536390, 750946, 1072780, 1501892, 1877365, 2145560, 3003784, 3754730, 7509460, 15018920]

約数ペア:

[(1, 15018920), (2, 7509460), (4, 3754730), (5, 3003784), (7, 2145560), (8, 1877365), (10, 1501892), (14, 1072780), (20, 750946), (28, 536390), (35, 429112), (40, 375473), (56, 268195), (70, 214556), (140, 107278), (280, 53639)]