155790080

素因数分解:

$2^8\times 5^1\times {\mathrm{121711}}^1$

素因数の和:121732

約数の個数: 36

約数和(自身を含む): 373168992

約数和(自身を除く): 217378912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 121711, 243422, 486844, 608555, 973688, 1217110, 1947376, 2434220, 3894752, 4868440, 7789504, 9736880, 15579008, 19473760, 31158016, 38947520, 77895040, 155790080]

約数ペア:

[(1, 155790080), (2, 77895040), (4, 38947520), (5, 31158016), (8, 19473760), (10, 15579008), (16, 9736880), (20, 7789504), (32, 4868440), (40, 3894752), (64, 2434220), (80, 1947376), (128, 1217110), (160, 973688), (256, 608555), (320, 486844), (640, 243422), (1280, 121711)]