80070255

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 152409600

約数和(自身を除く): 72339345

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 139, 153, 251, 255, 417, 459, 695, 753, 765, 1251, 1255, 2085, 2259, 2295, 2363, 3753, 3765, 4267, 6255, 6777, 7089, 11295, 11815, 12801, 18765, 21267, 21335, 33885, 34889, 35445, 38403, 63801, 64005, 104667, 106335, 115209, 174445, 192015, 314001, 319005, 523335, 576045, 593113, 942003, 1570005, 1779339, 2965565, 4710015, 5338017, 8896695, 16014051, 26690085, 80070255]

約数ペア:

[(1, 80070255), (3, 26690085), (5, 16014051), (9, 8896695), (15, 5338017), (17, 4710015), (27, 2965565), (45, 1779339), (51, 1570005), (85, 942003), (135, 593113), (139, 576045), (153, 523335), (251, 319005), (255, 314001), (417, 192015), (459, 174445), (695, 115209), (753, 106335), (765, 104667), (1251, 64005), (1255, 63801), (2085, 38403), (2259, 35445), (2295, 34889), (2363, 33885), (3753, 21335), (3765, 21267), (4267, 18765), (6255, 12801), (6777, 11815), (7089, 11295)]