315187120

素因数分解:

$2^4\times 5^1\times {\mathrm{3939839}}^1$

素因数の和:3939852

約数の個数: 20

約数和(自身を含む): 732810240

約数和(自身を除く): 417623120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3939839, 7879678, 15759356, 19699195, 31518712, 39398390, 63037424, 78796780, 157593560, 315187120]

約数ペア:

[(1, 315187120), (2, 157593560), (4, 78796780), (5, 63037424), (8, 39398390), (10, 31518712), (16, 19699195), (20, 15759356), (40, 7879678), (80, 3939839)]