27945680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{7129}}^1$

素因数の和:7156

約数の個数: 60

約数和(自身を含む): 75592260

約数和(自身を除く): 47646580

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 7129, 14258, 28516, 35645, 49903, 57032, 71290, 99806, 114064, 142580, 199612, 249515, 285160, 349321, 399224, 499030, 570320, 698642, 798448, 998060, 1397284, 1746605, 1996120, 2794568, 3493210, 3992240, 5589136, 6986420, 13972840, 27945680]

約数ペア:

[(1, 27945680), (2, 13972840), (4, 6986420), (5, 5589136), (7, 3992240), (8, 3493210), (10, 2794568), (14, 1996120), (16, 1746605), (20, 1397284), (28, 998060), (35, 798448), (40, 698642), (49, 570320), (56, 499030), (70, 399224), (80, 349321), (98, 285160), (112, 249515), (140, 199612), (196, 142580), (245, 114064), (280, 99806), (392, 71290), (490, 57032), (560, 49903), (784, 35645), (980, 28516), (1960, 14258), (3920, 7129)]