30321320

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{937}}^1$

素因数の和:1757

約数の個数: 32

約数和(自身を含む): 68380200

約数和(自身を除く): 38058880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 937, 1618, 1874, 3236, 3748, 4045, 4685, 6472, 7496, 8090, 9370, 16180, 18740, 32360, 37480, 758033, 1516066, 3032132, 3790165, 6064264, 7580330, 15160660, 30321320]

約数ペア:

[(1, 30321320), (2, 15160660), (4, 7580330), (5, 6064264), (8, 3790165), (10, 3032132), (20, 1516066), (40, 758033), (809, 37480), (937, 32360), (1618, 18740), (1874, 16180), (3236, 9370), (3748, 8090), (4045, 7496), (4685, 6472)]