256315080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{43591}}^1$

素因数の和:43619

約数の個数: 96

約数和(自身を含む): 894507840

約数和(自身を除く): 638192760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 43591, 87182, 130773, 174364, 217955, 261546, 305137, 348728, 435910, 523092, 610274, 653865, 871820, 915411, 1046184, 1220548, 1307730, 1525685, 1743640, 1830822, 2135959, 2441096, 2615460, 3051370, 3661644, 4271918, 4577055, 5230920, 6102740, 6407877, 7323288, 8543836, 9154110, 10679795, 12205480, 12815754, 17087672, 18308220, 21359590, 25631508, 32039385, 36616440, 42719180, 51263016, 64078770, 85438360, 128157540, 256315080]

約数ペア:

[(1, 256315080), (2, 128157540), (3, 85438360), (4, 64078770), (5, 51263016), (6, 42719180), (7, 36616440), (8, 32039385), (10, 25631508), (12, 21359590), (14, 18308220), (15, 17087672), (20, 12815754), (21, 12205480), (24, 10679795), (28, 9154110), (30, 8543836), (35, 7323288), (40, 6407877), (42, 6102740), (49, 5230920), (56, 4577055), (60, 4271918), (70, 3661644), (84, 3051370), (98, 2615460), (105, 2441096), (120, 2135959), (140, 1830822), (147, 1743640), (168, 1525685), (196, 1307730), (210, 1220548), (245, 1046184), (280, 915411), (294, 871820), (392, 653865), (420, 610274), (490, 523092), (588, 435910), (735, 348728), (840, 305137), (980, 261546), (1176, 217955), (1470, 174364), (1960, 130773), (2940, 87182), (5880, 43591)]