1616720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2887}}^1$

素因数の和:2907

約数の個数: 40

約数和(自身を含む): 4297344

約数和(自身を除く): 2680624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2887, 5774, 11548, 14435, 20209, 23096, 28870, 40418, 46192, 57740, 80836, 101045, 115480, 161672, 202090, 230960, 323344, 404180, 808360, 1616720]

約数ペア:

[(1, 1616720), (2, 808360), (4, 404180), (5, 323344), (7, 230960), (8, 202090), (10, 161672), (14, 115480), (16, 101045), (20, 80836), (28, 57740), (35, 46192), (40, 40418), (56, 28870), (70, 23096), (80, 20209), (112, 14435), (140, 11548), (280, 5774), (560, 2887)]