127645280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{113969}}^1$

素因数の和:113991

約数の個数: 48

約数和(自身を含む): 344645280

約数和(自身を除く): 217000000

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, 113969, 227938, 455876, 569845, 797783, 911752, 1139690, 1595566, 1823504, 2279380, 3191132, 3647008, 3988915, 4558760, 6382264, 7977830, 9117520, 12764528, 15955660, 18235040, 25529056, 31911320, 63822640, 127645280]

約数ペア:

[(1, 127645280), (2, 63822640), (4, 31911320), (5, 25529056), (7, 18235040), (8, 15955660), (10, 12764528), (14, 9117520), (16, 7977830), (20, 6382264), (28, 4558760), (32, 3988915), (35, 3647008), (40, 3191132), (56, 2279380), (70, 1823504), (80, 1595566), (112, 1139690), (140, 911752), (160, 797783), (224, 569845), (280, 455876), (560, 227938), (1120, 113969)]