56707980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{135019}}^1$

素因数の和:135038

約数の個数: 48

約数和(自身を含む): 181466880

約数和(自身を除く): 124758900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 135019, 270038, 405057, 540076, 675095, 810114, 945133, 1350190, 1620228, 1890266, 2025285, 2700380, 2835399, 3780532, 4050570, 4725665, 5670798, 8101140, 9451330, 11341596, 14176995, 18902660, 28353990, 56707980]

約数ペア:

[(1, 56707980), (2, 28353990), (3, 18902660), (4, 14176995), (5, 11341596), (6, 9451330), (7, 8101140), (10, 5670798), (12, 4725665), (14, 4050570), (15, 3780532), (20, 2835399), (21, 2700380), (28, 2025285), (30, 1890266), (35, 1620228), (42, 1350190), (60, 945133), (70, 810114), (84, 675095), (105, 540076), (140, 405057), (210, 270038), (420, 135019)]