157445840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{115769}}^1$

素因数の和:115799

約数の個数: 40

約数和(自身を含む): 387597960

約数和(自身を除く): 230152120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 115769, 231538, 463076, 578845, 926152, 1157690, 1852304, 1968073, 2315380, 3936146, 4630760, 7872292, 9261520, 9840365, 15744584, 19680730, 31489168, 39361460, 78722920, 157445840]

約数ペア:

[(1, 157445840), (2, 78722920), (4, 39361460), (5, 31489168), (8, 19680730), (10, 15744584), (16, 9840365), (17, 9261520), (20, 7872292), (34, 4630760), (40, 3936146), (68, 2315380), (80, 1968073), (85, 1852304), (136, 1157690), (170, 926152), (272, 578845), (340, 463076), (680, 231538), (1360, 115769)]