161481180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{384479}}^1$

素因数の和:384498

約数の個数: 48

約数和(自身を含む): 516741120

約数和(自身を除く): 355259940

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, 384479, 768958, 1153437, 1537916, 1922395, 2306874, 2691353, 3844790, 4613748, 5382706, 5767185, 7689580, 8074059, 10765412, 11534370, 13456765, 16148118, 23068740, 26913530, 32296236, 40370295, 53827060, 80740590, 161481180]

約数ペア:

[(1, 161481180), (2, 80740590), (3, 53827060), (4, 40370295), (5, 32296236), (6, 26913530), (7, 23068740), (10, 16148118), (12, 13456765), (14, 11534370), (15, 10765412), (20, 8074059), (21, 7689580), (28, 5767185), (30, 5382706), (35, 4613748), (42, 3844790), (60, 2691353), (70, 2306874), (84, 1922395), (105, 1537916), (140, 1153437), (210, 768958), (420, 384479)]