267421980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{636719}}^1$

素因数の和:636738

約数の個数: 48

約数和(自身を含む): 855751680

約数和(自身を除く): 588329700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 636719, 1273438, 1910157, 2546876, 3183595, 3820314, 4457033, 6367190, 7640628, 8914066, 9550785, 12734380, 13371099, 17828132, 19101570, 22285165, 26742198, 38203140, 44570330, 53484396, 66855495, 89140660, 133710990, 267421980]

約数ペア:

[(1, 267421980), (2, 133710990), (3, 89140660), (4, 66855495), (5, 53484396), (6, 44570330), (7, 38203140), (10, 26742198), (12, 22285165), (14, 19101570), (15, 17828132), (20, 13371099), (21, 12734380), (28, 9550785), (30, 8914066), (35, 7640628), (42, 6367190), (60, 4457033), (70, 3820314), (84, 3183595), (105, 2546876), (140, 1910157), (210, 1273438), (420, 636719)]