15214120

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1223}}^1$

素因数の和:1545

約数の個数: 32

約数和(自身を含む): 34369920

約数和(自身を除く): 19155800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1223, 1244, 1555, 2446, 2488, 3110, 4892, 6115, 6220, 9784, 12230, 12440, 24460, 48920, 380353, 760706, 1521412, 1901765, 3042824, 3803530, 7607060, 15214120]

約数ペア:

[(1, 15214120), (2, 7607060), (4, 3803530), (5, 3042824), (8, 1901765), (10, 1521412), (20, 760706), (40, 380353), (311, 48920), (622, 24460), (1223, 12440), (1244, 12230), (1555, 9784), (2446, 6220), (2488, 6115), (3110, 4892)]