81231300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2099}}^1$

素因数の和:2162

約数の個数: 108

約数和(自身を含む): 260660400

約数和(自身を除く): 179429100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 43, 45, 50, 60, 75, 86, 90, 100, 129, 150, 172, 180, 215, 225, 258, 300, 387, 430, 450, 516, 645, 774, 860, 900, 1075, 1290, 1548, 1935, 2099, 2150, 2580, 3225, 3870, 4198, 4300, 6297, 6450, 7740, 8396, 9675, 10495, 12594, 12900, 18891, 19350, 20990, 25188, 31485, 37782, 38700, 41980, 52475, 62970, 75564, 90257, 94455, 104950, 125940, 157425, 180514, 188910, 209900, 270771, 314850, 361028, 377820, 451285, 472275, 541542, 629700, 812313, 902570, 944550, 1083084, 1353855, 1624626, 1805140, 1889100, 2256425, 2707710, 3249252, 4061565, 4512850, 5415420, 6769275, 8123130, 9025700, 13538550, 16246260, 20307825, 27077100, 40615650, 81231300]

約数ペア:

[(1, 81231300), (2, 40615650), (3, 27077100), (4, 20307825), (5, 16246260), (6, 13538550), (9, 9025700), (10, 8123130), (12, 6769275), (15, 5415420), (18, 4512850), (20, 4061565), (25, 3249252), (30, 2707710), (36, 2256425), (43, 1889100), (45, 1805140), (50, 1624626), (60, 1353855), (75, 1083084), (86, 944550), (90, 902570), (100, 812313), (129, 629700), (150, 541542), (172, 472275), (180, 451285), (215, 377820), (225, 361028), (258, 314850), (300, 270771), (387, 209900), (430, 188910), (450, 180514), (516, 157425), (645, 125940), (774, 104950), (860, 94455), (900, 90257), (1075, 75564), (1290, 62970), (1548, 52475), (1935, 41980), (2099, 38700), (2150, 37782), (2580, 31485), (3225, 25188), (3870, 20990), (4198, 19350), (4300, 18891), (6297, 12900), (6450, 12594), (7740, 10495), (8396, 9675)]