30062920

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5407}}^1$

素因数の和:5557

約数の個数: 32

約数和(自身を含む): 68140800

約数和(自身を除く): 38077880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5407, 5560, 10814, 21628, 27035, 43256, 54070, 108140, 216280, 751573, 1503146, 3006292, 3757865, 6012584, 7515730, 15031460, 30062920]

約数ペア:

[(1, 30062920), (2, 15031460), (4, 7515730), (5, 6012584), (8, 3757865), (10, 3006292), (20, 1503146), (40, 751573), (139, 216280), (278, 108140), (556, 54070), (695, 43256), (1112, 27035), (1390, 21628), (2780, 10814), (5407, 5560)]