1268049280

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15601}}^1$

素因数の和:15747

約数の個数: 64

約数和(自身を含む): 3055495680

約数和(自身を除く): 1787446400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2032, 2540, 4064, 5080, 8128, 10160, 15601, 16256, 20320, 31202, 40640, 62404, 78005, 81280, 124808, 156010, 249616, 312020, 499232, 624040, 998464, 1248080, 1981327, 1996928, 2496160, 3962654, 4992320, 7925308, 9906635, 9984640, 15850616, 19813270, 31701232, 39626540, 63402464, 79253080, 126804928, 158506160, 253609856, 317012320, 634024640, 1268049280]

約数ペア:

[(1, 1268049280), (2, 634024640), (4, 317012320), (5, 253609856), (8, 158506160), (10, 126804928), (16, 79253080), (20, 63402464), (32, 39626540), (40, 31701232), (64, 19813270), (80, 15850616), (127, 9984640), (128, 9906635), (160, 7925308), (254, 4992320), (320, 3962654), (508, 2496160), (635, 1996928), (640, 1981327), (1016, 1248080), (1270, 998464), (2032, 624040), (2540, 499232), (4064, 312020), (5080, 249616), (8128, 156010), (10160, 124808), (15601, 81280), (16256, 78005), (20320, 62404), (31202, 40640)]