664681120

素因数分解:

$2^5\times 5^1\times {\mathrm{439}}^1\times {\mathrm{9463}}^1$

素因数の和:9917

約数の個数: 48

約数和(自身を含む): 1574052480

約数和(自身を除く): 909371360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 439, 878, 1756, 2195, 3512, 4390, 7024, 8780, 9463, 14048, 17560, 18926, 35120, 37852, 47315, 70240, 75704, 94630, 151408, 189260, 302816, 378520, 757040, 1514080, 4154257, 8308514, 16617028, 20771285, 33234056, 41542570, 66468112, 83085140, 132936224, 166170280, 332340560, 664681120]

約数ペア:

[(1, 664681120), (2, 332340560), (4, 166170280), (5, 132936224), (8, 83085140), (10, 66468112), (16, 41542570), (20, 33234056), (32, 20771285), (40, 16617028), (80, 8308514), (160, 4154257), (439, 1514080), (878, 757040), (1756, 378520), (2195, 302816), (3512, 189260), (4390, 151408), (7024, 94630), (8780, 75704), (9463, 70240), (14048, 47315), (17560, 37852), (18926, 35120)]