771204560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1377151}}^1$

素因数の和:1377171

約数の個数: 40

約数和(自身を含む): 2049202176

約数和(自身を除く): 1277997616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1377151, 2754302, 5508604, 6885755, 9640057, 11017208, 13771510, 19280114, 22034416, 27543020, 38560228, 48200285, 55086040, 77120456, 96400570, 110172080, 154240912, 192801140, 385602280, 771204560]

約数ペア:

[(1, 771204560), (2, 385602280), (4, 192801140), (5, 154240912), (7, 110172080), (8, 96400570), (10, 77120456), (14, 55086040), (16, 48200285), (20, 38560228), (28, 27543020), (35, 22034416), (40, 19280114), (56, 13771510), (70, 11017208), (80, 9640057), (112, 6885755), (140, 5508604), (280, 2754302), (560, 1377151)]