1325891280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{789221}}^1$

素因数の和:789244

約数の個数: 80

約数和(自身を含む): 4697449344

約数和(自身を除く): 3371558064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 789221, 1578442, 2367663, 3156884, 3946105, 4735326, 5524547, 6313768, 7892210, 9470652, 11049094, 11838315, 12627536, 15784420, 16573641, 18941304, 22098188, 23676630, 27622735, 31568840, 33147282, 37882608, 44196376, 47353260, 55245470, 63137680, 66294564, 82868205, 88392752, 94706520, 110490940, 132589128, 165736410, 189413040, 220981880, 265178256, 331472820, 441963760, 662945640, 1325891280]

約数ペア:

[(1, 1325891280), (2, 662945640), (3, 441963760), (4, 331472820), (5, 265178256), (6, 220981880), (7, 189413040), (8, 165736410), (10, 132589128), (12, 110490940), (14, 94706520), (15, 88392752), (16, 82868205), (20, 66294564), (21, 63137680), (24, 55245470), (28, 47353260), (30, 44196376), (35, 37882608), (40, 33147282), (42, 31568840), (48, 27622735), (56, 23676630), (60, 22098188), (70, 18941304), (80, 16573641), (84, 15784420), (105, 12627536), (112, 11838315), (120, 11049094), (140, 9470652), (168, 7892210), (210, 6313768), (240, 5524547), (280, 4735326), (336, 3946105), (420, 3156884), (560, 2367663), (840, 1578442), (1680, 789221)]