68472880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{122273}}^1$

素因数の和:122293

約数の個数: 40

約数和(自身を含む): 181943712

約数和(自身を除く): 113470832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 122273, 244546, 489092, 611365, 855911, 978184, 1222730, 1711822, 1956368, 2445460, 3423644, 4279555, 4890920, 6847288, 8559110, 9781840, 13694576, 17118220, 34236440, 68472880]

約数ペア:

[(1, 68472880), (2, 34236440), (4, 17118220), (5, 13694576), (7, 9781840), (8, 8559110), (10, 6847288), (14, 4890920), (16, 4279555), (20, 3423644), (28, 2445460), (35, 1956368), (40, 1711822), (56, 1222730), (70, 978184), (80, 855911), (112, 611365), (140, 489092), (280, 244546), (560, 122273)]