89060720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{443}}^1$

素因数の和:822

約数の個数: 80

約数和(自身を含む): 237841920

約数和(自身を除く): 148781200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 359, 443, 560, 718, 886, 1436, 1772, 1795, 2215, 2513, 2872, 3101, 3544, 3590, 4430, 5026, 5744, 6202, 7088, 7180, 8860, 10052, 12404, 12565, 14360, 15505, 17720, 20104, 24808, 25130, 28720, 31010, 35440, 40208, 49616, 50260, 62020, 100520, 124040, 159037, 201040, 248080, 318074, 636148, 795185, 1113259, 1272296, 1590370, 2226518, 2544592, 3180740, 4453036, 5566295, 6361480, 8906072, 11132590, 12722960, 17812144, 22265180, 44530360, 89060720]

約数ペア:

[(1, 89060720), (2, 44530360), (4, 22265180), (5, 17812144), (7, 12722960), (8, 11132590), (10, 8906072), (14, 6361480), (16, 5566295), (20, 4453036), (28, 3180740), (35, 2544592), (40, 2226518), (56, 1590370), (70, 1272296), (80, 1113259), (112, 795185), (140, 636148), (280, 318074), (359, 248080), (443, 201040), (560, 159037), (718, 124040), (886, 100520), (1436, 62020), (1772, 50260), (1795, 49616), (2215, 40208), (2513, 35440), (2872, 31010), (3101, 28720), (3544, 25130), (3590, 24808), (4430, 20104), (5026, 17720), (5744, 15505), (6202, 14360), (7088, 12565), (7180, 12404), (8860, 10052)]