181425280

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4231}}^1$

素因数の和:4317

約数の個数: 64

約数和(自身を含む): 440297280

約数和(自身を除く): 258872000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 1072, 1340, 2144, 2680, 4231, 4288, 5360, 8462, 8576, 10720, 16924, 21155, 21440, 33848, 42310, 42880, 67696, 84620, 135392, 169240, 270784, 283477, 338480, 541568, 566954, 676960, 1133908, 1353920, 1417385, 2267816, 2707840, 2834770, 4535632, 5669540, 9071264, 11339080, 18142528, 22678160, 36285056, 45356320, 90712640, 181425280]

約数ペア:

[(1, 181425280), (2, 90712640), (4, 45356320), (5, 36285056), (8, 22678160), (10, 18142528), (16, 11339080), (20, 9071264), (32, 5669540), (40, 4535632), (64, 2834770), (67, 2707840), (80, 2267816), (128, 1417385), (134, 1353920), (160, 1133908), (268, 676960), (320, 566954), (335, 541568), (536, 338480), (640, 283477), (670, 270784), (1072, 169240), (1340, 135392), (2144, 84620), (2680, 67696), (4231, 42880), (4288, 42310), (5360, 33848), (8462, 21440), (8576, 21155), (10720, 16924)]