121554560

素因数分解:

$2^7\times 5^1\times {\mathrm{189929}}^1$

素因数の和:189948

約数の個数: 32

約数和(自身を含む): 290592900

約数和(自身を除く): 169038340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 189929, 379858, 759716, 949645, 1519432, 1899290, 3038864, 3798580, 6077728, 7597160, 12155456, 15194320, 24310912, 30388640, 60777280, 121554560]

約数ペア:

[(1, 121554560), (2, 60777280), (4, 30388640), (5, 24310912), (8, 15194320), (10, 12155456), (16, 7597160), (20, 6077728), (32, 3798580), (40, 3038864), (64, 1899290), (80, 1519432), (128, 949645), (160, 759716), (320, 379858), (640, 189929)]