19289169280

素因数分解:

$2^7\times 5^1\times {\mathrm{251}}^1\times {\mathrm{120077}}^1$

素因数の和:120347

約数の個数: 64

約数和(自身を含む): 46297273680

約数和(自身を除く): 27008104400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 251, 320, 502, 640, 1004, 1255, 2008, 2510, 4016, 5020, 8032, 10040, 16064, 20080, 32128, 40160, 80320, 120077, 160640, 240154, 480308, 600385, 960616, 1200770, 1921232, 2401540, 3842464, 4803080, 7684928, 9606160, 15369856, 19212320, 30139327, 38424640, 60278654, 76849280, 120557308, 150696635, 241114616, 301393270, 482229232, 602786540, 964458464, 1205573080, 1928916928, 2411146160, 3857833856, 4822292320, 9644584640, 19289169280]

約数ペア:

[(1, 19289169280), (2, 9644584640), (4, 4822292320), (5, 3857833856), (8, 2411146160), (10, 1928916928), (16, 1205573080), (20, 964458464), (32, 602786540), (40, 482229232), (64, 301393270), (80, 241114616), (128, 150696635), (160, 120557308), (251, 76849280), (320, 60278654), (502, 38424640), (640, 30139327), (1004, 19212320), (1255, 15369856), (2008, 9606160), (2510, 7684928), (4016, 4803080), (5020, 3842464), (8032, 2401540), (10040, 1921232), (16064, 1200770), (20080, 960616), (32128, 600385), (40160, 480308), (80320, 240154), (120077, 160640)]