157218560

素因数分解:

$2^8\times 5^1\times {\mathrm{122827}}^1$

素因数の和:122848

約数の個数: 36

約数和(自身を含む): 376590648

約数和(自身を除く): 219372088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 122827, 245654, 491308, 614135, 982616, 1228270, 1965232, 2456540, 3930464, 4913080, 7860928, 9826160, 15721856, 19652320, 31443712, 39304640, 78609280, 157218560]

約数ペア:

[(1, 157218560), (2, 78609280), (4, 39304640), (5, 31443712), (8, 19652320), (10, 15721856), (16, 9826160), (20, 7860928), (32, 4913080), (40, 3930464), (64, 2456540), (80, 1965232), (128, 1228270), (160, 982616), (256, 614135), (320, 491308), (640, 245654), (1280, 122827)]