178428320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{159311}}^1$

素因数の和:159333

約数の個数: 48

約数和(自身を含む): 481759488

約数和(自身を除く): 303331168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 159311, 318622, 637244, 796555, 1115177, 1274488, 1593110, 2230354, 2548976, 3186220, 4460708, 5097952, 5575885, 6372440, 8921416, 11151770, 12744880, 17842832, 22303540, 25489760, 35685664, 44607080, 89214160, 178428320]

約数ペア:

[(1, 178428320), (2, 89214160), (4, 44607080), (5, 35685664), (7, 25489760), (8, 22303540), (10, 17842832), (14, 12744880), (16, 11151770), (20, 8921416), (28, 6372440), (32, 5575885), (35, 5097952), (40, 4460708), (56, 3186220), (70, 2548976), (80, 2230354), (112, 1593110), (140, 1274488), (160, 1115177), (224, 796555), (280, 637244), (560, 318622), (1120, 159311)]