128927120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{230227}}^1$

素因数の和:230247

約数の個数: 40

約数和(自身を含む): 342579264

約数和(自身を除く): 213652144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 230227, 460454, 920908, 1151135, 1611589, 1841816, 2302270, 3223178, 3683632, 4604540, 6446356, 8057945, 9209080, 12892712, 16115890, 18418160, 25785424, 32231780, 64463560, 128927120]

約数ペア:

[(1, 128927120), (2, 64463560), (4, 32231780), (5, 25785424), (7, 18418160), (8, 16115890), (10, 12892712), (14, 9209080), (16, 8057945), (20, 6446356), (28, 4604540), (35, 3683632), (40, 3223178), (56, 2302270), (70, 1841816), (80, 1611589), (112, 1151135), (140, 920908), (280, 460454), (560, 230227)]