64261980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1559}}^1$

素因数の和:1803

約数の個数: 72

約数和(自身を含む): 195904800

約数和(自身を除く): 131642820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 687, 916, 1145, 1374, 1559, 2061, 2290, 2748, 3118, 3435, 4122, 4580, 4677, 6236, 6870, 7795, 8244, 9354, 10305, 13740, 14031, 15590, 18708, 20610, 23385, 28062, 31180, 41220, 46770, 56124, 70155, 93540, 140310, 280620, 357011, 714022, 1071033, 1428044, 1785055, 2142066, 3213099, 3570110, 4284132, 5355165, 6426198, 7140220, 10710330, 12852396, 16065495, 21420660, 32130990, 64261980]

約数ペア:

[(1, 64261980), (2, 32130990), (3, 21420660), (4, 16065495), (5, 12852396), (6, 10710330), (9, 7140220), (10, 6426198), (12, 5355165), (15, 4284132), (18, 3570110), (20, 3213099), (30, 2142066), (36, 1785055), (45, 1428044), (60, 1071033), (90, 714022), (180, 357011), (229, 280620), (458, 140310), (687, 93540), (916, 70155), (1145, 56124), (1374, 46770), (1559, 41220), (2061, 31180), (2290, 28062), (2748, 23385), (3118, 20610), (3435, 18708), (4122, 15590), (4580, 14031), (4677, 13740), (6236, 10305), (6870, 9354), (7795, 8244)]