255449600

素因数分解:

$2^9\times 5^2\times 7^1\times {\mathrm{2851}}^1$

素因数の和:2886

約数の個数: 120

約数和(自身を含む): 723563808

約数和(自身を除く): 468114208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 400, 448, 512, 560, 640, 700, 800, 896, 1120, 1280, 1400, 1600, 1792, 2240, 2560, 2800, 2851, 3200, 3584, 4480, 5600, 5702, 6400, 8960, 11200, 11404, 12800, 14255, 17920, 19957, 22400, 22808, 28510, 39914, 44800, 45616, 57020, 71275, 79828, 89600, 91232, 99785, 114040, 142550, 159656, 182464, 199570, 228080, 285100, 319312, 364928, 399140, 456160, 498925, 570200, 638624, 729856, 798280, 912320, 997850, 1140400, 1277248, 1459712, 1596560, 1824640, 1995700, 2280800, 2554496, 3193120, 3649280, 3991400, 4561600, 5108992, 6386240, 7298560, 7982800, 9123200, 10217984, 12772480, 15965600, 18246400, 25544960, 31931200, 36492800, 51089920, 63862400, 127724800, 255449600]

約数ペア:

[(1, 255449600), (2, 127724800), (4, 63862400), (5, 51089920), (7, 36492800), (8, 31931200), (10, 25544960), (14, 18246400), (16, 15965600), (20, 12772480), (25, 10217984), (28, 9123200), (32, 7982800), (35, 7298560), (40, 6386240), (50, 5108992), (56, 4561600), (64, 3991400), (70, 3649280), (80, 3193120), (100, 2554496), (112, 2280800), (128, 1995700), (140, 1824640), (160, 1596560), (175, 1459712), (200, 1277248), (224, 1140400), (256, 997850), (280, 912320), (320, 798280), (350, 729856), (400, 638624), (448, 570200), (512, 498925), (560, 456160), (640, 399140), (700, 364928), (800, 319312), (896, 285100), (1120, 228080), (1280, 199570), (1400, 182464), (1600, 159656), (1792, 142550), (2240, 114040), (2560, 99785), (2800, 91232), (2851, 89600), (3200, 79828), (3584, 71275), (4480, 57020), (5600, 45616), (5702, 44800), (6400, 39914), (8960, 28510), (11200, 22808), (11404, 22400), (12800, 19957), (14255, 17920)]