15897140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4937}}^1$

素因数の和:4976

約数の個数: 48

約数和(自身を含む): 39820032

約数和(自身を除く): 23922892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 4937, 9874, 19748, 24685, 34559, 49370, 69118, 98740, 113551, 138236, 172795, 227102, 345590, 454204, 567755, 691180, 794857, 1135510, 1589714, 2271020, 3179428, 3974285, 7948570, 15897140]

約数ペア:

[(1, 15897140), (2, 7948570), (4, 3974285), (5, 3179428), (7, 2271020), (10, 1589714), (14, 1135510), (20, 794857), (23, 691180), (28, 567755), (35, 454204), (46, 345590), (70, 227102), (92, 172795), (115, 138236), (140, 113551), (161, 98740), (230, 69118), (322, 49370), (460, 34559), (644, 24685), (805, 19748), (1610, 9874), (3220, 4937)]