67807880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{242171}}^1$

素因数の和:242189

約数の個数: 32

約数和(自身を含む): 174363840

約数和(自身を除く): 106555960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 242171, 484342, 968684, 1210855, 1695197, 1937368, 2421710, 3390394, 4843420, 6780788, 8475985, 9686840, 13561576, 16951970, 33903940, 67807880]

約数ペア:

[(1, 67807880), (2, 33903940), (4, 16951970), (5, 13561576), (7, 9686840), (8, 8475985), (10, 6780788), (14, 4843420), (20, 3390394), (28, 2421710), (35, 1937368), (40, 1695197), (56, 1210855), (70, 968684), (140, 484342), (280, 242171)]