155580160

素因数分解:

$2^8\times 5^1\times {\mathrm{121547}}^1$

素因数の和:121568

約数の個数: 36

約数和(自身を含む): 372666168

約数和(自身を除く): 217086008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 121547, 243094, 486188, 607735, 972376, 1215470, 1944752, 2430940, 3889504, 4861880, 7779008, 9723760, 15558016, 19447520, 31116032, 38895040, 77790080, 155580160]

約数ペア:

[(1, 155580160), (2, 77790080), (4, 38895040), (5, 31116032), (8, 19447520), (10, 15558016), (16, 9723760), (20, 7779008), (32, 4861880), (40, 3889504), (64, 2430940), (80, 1944752), (128, 1215470), (160, 972376), (256, 607735), (320, 486188), (640, 243094), (1280, 121547)]