155771560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{556327}}^1$

素因数の和:556345

約数の個数: 32

約数和(自身を含む): 400556160

約数和(自身を除く): 244784600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 556327, 1112654, 2225308, 2781635, 3894289, 4450616, 5563270, 7788578, 11126540, 15577156, 19471445, 22253080, 31154312, 38942890, 77885780, 155771560]

約数ペア:

[(1, 155771560), (2, 77885780), (4, 38942890), (5, 31154312), (7, 22253080), (8, 19471445), (10, 15577156), (14, 11126540), (20, 7788578), (28, 5563270), (35, 4450616), (40, 3894289), (56, 2781635), (70, 2225308), (140, 1112654), (280, 556327)]