66996840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{558307}}^1$

素因数の和:558321

約数の個数: 32

約数和(自身を含む): 200990880

約数和(自身を除く): 133994040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 558307, 1116614, 1674921, 2233228, 2791535, 3349842, 4466456, 5583070, 6699684, 8374605, 11166140, 13399368, 16749210, 22332280, 33498420, 66996840]

約数ペア:

[(1, 66996840), (2, 33498420), (3, 22332280), (4, 16749210), (5, 13399368), (6, 11166140), (8, 8374605), (10, 6699684), (12, 5583070), (15, 4466456), (20, 3349842), (24, 2791535), (30, 2233228), (40, 1674921), (60, 1116614), (120, 558307)]