121171520

素因数分解:

$2^6\times 5^1\times {\mathrm{378661}}^1$

素因数の和:378678

約数の個数: 28

約数和(自身を含む): 288540444

約数和(自身を除く): 167368924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 378661, 757322, 1514644, 1893305, 3029288, 3786610, 6058576, 7573220, 12117152, 15146440, 24234304, 30292880, 60585760, 121171520]

約数ペア:

[(1, 121171520), (2, 60585760), (4, 30292880), (5, 24234304), (8, 15146440), (10, 12117152), (16, 7573220), (20, 6058576), (32, 3786610), (40, 3029288), (64, 1893305), (80, 1514644), (160, 757322), (320, 378661)]