15151220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{108223}}^1$

素因数の和:108239

約数の個数: 24

約数和(自身を含む): 36363264

約数和(自身を除く): 21212044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 108223, 216446, 432892, 541115, 757561, 1082230, 1515122, 2164460, 3030244, 3787805, 7575610, 15151220]

約数ペア:

[(1, 15151220), (2, 7575610), (4, 3787805), (5, 3030244), (7, 2164460), (10, 1515122), (14, 1082230), (20, 757561), (28, 541115), (35, 432892), (70, 216446), (140, 108223)]