12157880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6203}}^1$

素因数の和:6228

約数の個数: 48

約数和(自身を含む): 31826520

約数和(自身を除く): 19668640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6203, 12406, 24812, 31015, 43421, 49624, 62030, 86842, 124060, 173684, 217105, 248120, 303947, 347368, 434210, 607894, 868420, 1215788, 1519735, 1736840, 2431576, 3039470, 6078940, 12157880]

約数ペア:

[(1, 12157880), (2, 6078940), (4, 3039470), (5, 2431576), (7, 1736840), (8, 1519735), (10, 1215788), (14, 868420), (20, 607894), (28, 434210), (35, 347368), (40, 303947), (49, 248120), (56, 217105), (70, 173684), (98, 124060), (140, 86842), (196, 62030), (245, 49624), (280, 43421), (392, 31015), (490, 24812), (980, 12406), (1960, 6203)]