257150670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{72031}}^1$

素因数の和:72065

約数の個数: 64

約数和(自身を含む): 746827776

約数和(自身を除く): 489677106

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 595, 714, 1190, 1785, 3570, 72031, 144062, 216093, 360155, 432186, 504217, 720310, 1008434, 1080465, 1224527, 1512651, 2160930, 2449054, 2521085, 3025302, 3673581, 5042170, 6122635, 7347162, 7563255, 8571689, 12245270, 15126510, 17143378, 18367905, 25715067, 36735810, 42858445, 51430134, 85716890, 128575335, 257150670]

約数ペア:

[(1, 257150670), (2, 128575335), (3, 85716890), (5, 51430134), (6, 42858445), (7, 36735810), (10, 25715067), (14, 18367905), (15, 17143378), (17, 15126510), (21, 12245270), (30, 8571689), (34, 7563255), (35, 7347162), (42, 6122635), (51, 5042170), (70, 3673581), (85, 3025302), (102, 2521085), (105, 2449054), (119, 2160930), (170, 1512651), (210, 1224527), (238, 1080465), (255, 1008434), (357, 720310), (510, 504217), (595, 432186), (714, 360155), (1190, 216093), (1785, 144062), (3570, 72031)]