145457820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{18793}}^1$

素因数の和:18851

約数の個数: 72

約数和(自身を含む): 451507056

約数和(自身を除く): 306049236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 18793, 37586, 56379, 75172, 93965, 112758, 169137, 187930, 225516, 281895, 338274, 375860, 563790, 676548, 808099, 845685, 1127580, 1616198, 1691370, 2424297, 3232396, 3382740, 4040495, 4848594, 7272891, 8080990, 9697188, 12121485, 14545782, 16161980, 24242970, 29091564, 36364455, 48485940, 72728910, 145457820]

約数ペア:

[(1, 145457820), (2, 72728910), (3, 48485940), (4, 36364455), (5, 29091564), (6, 24242970), (9, 16161980), (10, 14545782), (12, 12121485), (15, 9697188), (18, 8080990), (20, 7272891), (30, 4848594), (36, 4040495), (43, 3382740), (45, 3232396), (60, 2424297), (86, 1691370), (90, 1616198), (129, 1127580), (172, 845685), (180, 808099), (215, 676548), (258, 563790), (387, 375860), (430, 338274), (516, 281895), (645, 225516), (774, 187930), (860, 169137), (1290, 112758), (1548, 93965), (1935, 75172), (2580, 56379), (3870, 37586), (7740, 18793)]