30756840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{256307}}^1$

素因数の和:256321

約数の個数: 32

約数和(自身を含む): 92270880

約数和(自身を除く): 61514040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 256307, 512614, 768921, 1025228, 1281535, 1537842, 2050456, 2563070, 3075684, 3844605, 5126140, 6151368, 7689210, 10252280, 15378420, 30756840]

約数ペア:

[(1, 30756840), (2, 15378420), (3, 10252280), (4, 7689210), (5, 6151368), (6, 5126140), (8, 3844605), (10, 3075684), (12, 2563070), (15, 2050456), (20, 1537842), (24, 1281535), (30, 1025228), (40, 768921), (60, 512614), (120, 256307)]