30450760

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{941}}^1$

素因数の和:1761

約数の個数: 32

約数和(自身を含む): 68671800

約数和(自身を除く): 38221040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 941, 1618, 1882, 3236, 3764, 4045, 4705, 6472, 7528, 8090, 9410, 16180, 18820, 32360, 37640, 761269, 1522538, 3045076, 3806345, 6090152, 7612690, 15225380, 30450760]

約数ペア:

[(1, 30450760), (2, 15225380), (4, 7612690), (5, 6090152), (8, 3806345), (10, 3045076), (20, 1522538), (40, 761269), (809, 37640), (941, 32360), (1618, 18820), (1882, 16180), (3236, 9410), (3764, 8090), (4045, 7528), (4705, 6472)]