128678080

素因数分解:

$2^6\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1061}}^1$

素因数の和:1457

約数の個数: 56

約数和(自身を含む): 307512720

約数和(自身を除く): 178834640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 379, 758, 1061, 1516, 1895, 2122, 3032, 3790, 4244, 5305, 6064, 7580, 8488, 10610, 12128, 15160, 16976, 21220, 24256, 30320, 33952, 42440, 60640, 67904, 84880, 121280, 169760, 339520, 402119, 804238, 1608476, 2010595, 3216952, 4021190, 6433904, 8042380, 12867808, 16084760, 25735616, 32169520, 64339040, 128678080]

約数ペア:

[(1, 128678080), (2, 64339040), (4, 32169520), (5, 25735616), (8, 16084760), (10, 12867808), (16, 8042380), (20, 6433904), (32, 4021190), (40, 3216952), (64, 2010595), (80, 1608476), (160, 804238), (320, 402119), (379, 339520), (758, 169760), (1061, 121280), (1516, 84880), (1895, 67904), (2122, 60640), (3032, 42440), (3790, 33952), (4244, 30320), (5305, 24256), (6064, 21220), (7580, 16976), (8488, 15160), (10610, 12128)]