56478780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7297}}^1$

素因数の和:7355

約数の個数: 72

約数和(自身を含む): 175327152

約数和(自身を除く): 118848372

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, 7297, 7740, 14594, 21891, 29188, 36485, 43782, 65673, 72970, 87564, 109455, 131346, 145940, 218910, 262692, 313771, 328365, 437820, 627542, 656730, 941313, 1255084, 1313460, 1568855, 1882626, 2823939, 3137710, 3765252, 4706565, 5647878, 6275420, 9413130, 11295756, 14119695, 18826260, 28239390, 56478780]

約数ペア:

[(1, 56478780), (2, 28239390), (3, 18826260), (4, 14119695), (5, 11295756), (6, 9413130), (9, 6275420), (10, 5647878), (12, 4706565), (15, 3765252), (18, 3137710), (20, 2823939), (30, 1882626), (36, 1568855), (43, 1313460), (45, 1255084), (60, 941313), (86, 656730), (90, 627542), (129, 437820), (172, 328365), (180, 313771), (215, 262692), (258, 218910), (387, 145940), (430, 131346), (516, 109455), (645, 87564), (774, 72970), (860, 65673), (1290, 43782), (1548, 36485), (1935, 29188), (2580, 21891), (3870, 14594), (7297, 7740)]