80736180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{192229}}^1$

素因数の和:192248

約数の個数: 48

約数和(自身を含む): 258357120

約数和(自身を除く): 177620940

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, 192229, 384458, 576687, 768916, 961145, 1153374, 1345603, 1922290, 2306748, 2691206, 2883435, 3844580, 4036809, 5382412, 5766870, 6728015, 8073618, 11533740, 13456030, 16147236, 20184045, 26912060, 40368090, 80736180]

約数ペア:

[(1, 80736180), (2, 40368090), (3, 26912060), (4, 20184045), (5, 16147236), (6, 13456030), (7, 11533740), (10, 8073618), (12, 6728015), (14, 5766870), (15, 5382412), (20, 4036809), (21, 3844580), (28, 2883435), (30, 2691206), (35, 2306748), (42, 1922290), (60, 1345603), (70, 1153374), (84, 961145), (105, 768916), (140, 576687), (210, 384458), (420, 192229)]