68391280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1$

素因数の和:802

約数の個数: 80

約数和(自身を含む): 168739200

約数和(自身を除く): 100347920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 41, 58, 80, 82, 116, 145, 164, 205, 232, 290, 328, 410, 464, 580, 656, 719, 820, 1160, 1189, 1438, 1640, 2320, 2378, 2876, 3280, 3595, 4756, 5752, 5945, 7190, 9512, 11504, 11890, 14380, 19024, 20851, 23780, 28760, 29479, 41702, 47560, 57520, 58958, 83404, 95120, 104255, 117916, 147395, 166808, 208510, 235832, 294790, 333616, 417020, 471664, 589580, 834040, 854891, 1179160, 1668080, 1709782, 2358320, 3419564, 4274455, 6839128, 8548910, 13678256, 17097820, 34195640, 68391280]

約数ペア:

[(1, 68391280), (2, 34195640), (4, 17097820), (5, 13678256), (8, 8548910), (10, 6839128), (16, 4274455), (20, 3419564), (29, 2358320), (40, 1709782), (41, 1668080), (58, 1179160), (80, 854891), (82, 834040), (116, 589580), (145, 471664), (164, 417020), (205, 333616), (232, 294790), (290, 235832), (328, 208510), (410, 166808), (464, 147395), (580, 117916), (656, 104255), (719, 95120), (820, 83404), (1160, 58958), (1189, 57520), (1438, 47560), (1640, 41702), (2320, 29479), (2378, 28760), (2876, 23780), (3280, 20851), (3595, 19024), (4756, 14380), (5752, 11890), (5945, 11504), (7190, 9512)]