15385720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{54949}}^1$

素因数の和:54967

約数の個数: 32

約数和(自身を含む): 39564000

約数和(自身を除く): 24178280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 54949, 109898, 219796, 274745, 384643, 439592, 549490, 769286, 1098980, 1538572, 1923215, 2197960, 3077144, 3846430, 7692860, 15385720]

約数ペア:

[(1, 15385720), (2, 7692860), (4, 3846430), (5, 3077144), (7, 2197960), (8, 1923215), (10, 1538572), (14, 1098980), (20, 769286), (28, 549490), (35, 439592), (40, 384643), (56, 274745), (70, 219796), (140, 109898), (280, 54949)]