72109520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{128767}}^1$

素因数の和:128787

約数の個数: 40

約数和(自身を含む): 191606784

約数和(自身を除く): 119497264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 128767, 257534, 515068, 643835, 901369, 1030136, 1287670, 1802738, 2060272, 2575340, 3605476, 4506845, 5150680, 7210952, 9013690, 10301360, 14421904, 18027380, 36054760, 72109520]

約数ペア:

[(1, 72109520), (2, 36054760), (4, 18027380), (5, 14421904), (7, 10301360), (8, 9013690), (10, 7210952), (14, 5150680), (16, 4506845), (20, 3605476), (28, 2575340), (35, 2060272), (40, 1802738), (56, 1287670), (70, 1030136), (80, 901369), (112, 643835), (140, 515068), (280, 257534), (560, 128767)]