1688320

素因数分解:

$2^8\times 5^1\times {\mathrm{1319}}^1$

素因数の和:1340

約数の個数: 36

約数和(自身を含む): 4047120

約数和(自身を除く): 2358800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1319, 2638, 5276, 6595, 10552, 13190, 21104, 26380, 42208, 52760, 84416, 105520, 168832, 211040, 337664, 422080, 844160, 1688320]

約数ペア:

[(1, 1688320), (2, 844160), (4, 422080), (5, 337664), (8, 211040), (10, 168832), (16, 105520), (20, 84416), (32, 52760), (40, 42208), (64, 26380), (80, 21104), (128, 13190), (160, 10552), (256, 6595), (320, 5276), (640, 2638), (1280, 1319)]