858385280

素因数分解:

$2^7\times 5^1\times {\mathrm{317}}^1\times {\mathrm{4231}}^1$

素因数の和:4567

約数の個数: 64

約数和(自身を含む): 2059037280

約数和(自身を除く): 1200652000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 317, 320, 634, 640, 1268, 1585, 2536, 3170, 4231, 5072, 6340, 8462, 10144, 12680, 16924, 20288, 21155, 25360, 33848, 40576, 42310, 50720, 67696, 84620, 101440, 135392, 169240, 202880, 270784, 338480, 541568, 676960, 1341227, 1353920, 2682454, 2707840, 5364908, 6706135, 10729816, 13412270, 21459632, 26824540, 42919264, 53649080, 85838528, 107298160, 171677056, 214596320, 429192640, 858385280]

約数ペア:

[(1, 858385280), (2, 429192640), (4, 214596320), (5, 171677056), (8, 107298160), (10, 85838528), (16, 53649080), (20, 42919264), (32, 26824540), (40, 21459632), (64, 13412270), (80, 10729816), (128, 6706135), (160, 5364908), (317, 2707840), (320, 2682454), (634, 1353920), (640, 1341227), (1268, 676960), (1585, 541568), (2536, 338480), (3170, 270784), (4231, 202880), (5072, 169240), (6340, 135392), (8462, 101440), (10144, 84620), (12680, 67696), (16924, 50720), (20288, 42310), (21155, 40576), (25360, 33848)]