80578120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7019}}^1$

素因数の和:7078

約数の個数: 64

約数和(自身を含む): 212284800

約数和(自身を除く): 131706680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 7019, 11480, 14038, 28076, 35095, 49133, 56152, 70190, 98266, 140380, 196532, 245665, 280760, 287779, 393064, 491330, 575558, 982660, 1151116, 1438895, 1965320, 2014453, 2302232, 2877790, 4028906, 5755580, 8057812, 10072265, 11511160, 16115624, 20144530, 40289060, 80578120]

約数ペア:

[(1, 80578120), (2, 40289060), (4, 20144530), (5, 16115624), (7, 11511160), (8, 10072265), (10, 8057812), (14, 5755580), (20, 4028906), (28, 2877790), (35, 2302232), (40, 2014453), (41, 1965320), (56, 1438895), (70, 1151116), (82, 982660), (140, 575558), (164, 491330), (205, 393064), (280, 287779), (287, 280760), (328, 245665), (410, 196532), (574, 140380), (820, 98266), (1148, 70190), (1435, 56152), (1640, 49133), (2296, 35095), (2870, 28076), (5740, 14038), (7019, 11480)]