67439120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{120427}}^1$

素因数の和:120447

約数の個数: 40

約数和(自身を含む): 179196864

約数和(自身を除く): 111757744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 120427, 240854, 481708, 602135, 842989, 963416, 1204270, 1685978, 1926832, 2408540, 3371956, 4214945, 4817080, 6743912, 8429890, 9634160, 13487824, 16859780, 33719560, 67439120]

約数ペア:

[(1, 67439120), (2, 33719560), (4, 16859780), (5, 13487824), (7, 9634160), (8, 8429890), (10, 6743912), (14, 4817080), (16, 4214945), (20, 3371956), (28, 2408540), (35, 1926832), (40, 1685978), (56, 1204270), (70, 963416), (80, 842989), (112, 602135), (140, 481708), (280, 240854), (560, 120427)]