81684578240

素因数分解:

$2^6\times 5^1\times {\mathrm{3391}}^1\times {\mathrm{75277}}^1$

素因数の和:78685

約数の個数: 56

約数和(自身を含む): 194571347712

約数和(自身を除く): 112886769472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 3391, 6782, 13564, 16955, 27128, 33910, 54256, 67820, 75277, 108512, 135640, 150554, 217024, 271280, 301108, 376385, 542560, 602216, 752770, 1085120, 1204432, 1505540, 2408864, 3011080, 4817728, 6022160, 12044320, 24088640, 255264307, 510528614, 1021057228, 1276321535, 2042114456, 2552643070, 4084228912, 5105286140, 8168457824, 10210572280, 16336915648, 20421144560, 40842289120, 81684578240]

約数ペア:

[(1, 81684578240), (2, 40842289120), (4, 20421144560), (5, 16336915648), (8, 10210572280), (10, 8168457824), (16, 5105286140), (20, 4084228912), (32, 2552643070), (40, 2042114456), (64, 1276321535), (80, 1021057228), (160, 510528614), (320, 255264307), (3391, 24088640), (6782, 12044320), (13564, 6022160), (16955, 4817728), (27128, 3011080), (33910, 2408864), (54256, 1505540), (67820, 1204432), (75277, 1085120), (108512, 752770), (135640, 602216), (150554, 542560), (217024, 376385), (271280, 301108)]