77979280

素因数分解:

$2^4\times 5^1\times {\mathrm{739}}^1\times {\mathrm{1319}}^1$

素因数の和:2071

約数の個数: 40

約数和(自身を含む): 181684800

約数和(自身を除く): 103705520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 739, 1319, 1478, 2638, 2956, 3695, 5276, 5912, 6595, 7390, 10552, 11824, 13190, 14780, 21104, 26380, 29560, 52760, 59120, 105520, 974741, 1949482, 3898964, 4873705, 7797928, 9747410, 15595856, 19494820, 38989640, 77979280]

約数ペア:

[(1, 77979280), (2, 38989640), (4, 19494820), (5, 15595856), (8, 9747410), (10, 7797928), (16, 4873705), (20, 3898964), (40, 1949482), (80, 974741), (739, 105520), (1319, 59120), (1478, 52760), (2638, 29560), (2956, 26380), (3695, 21104), (5276, 14780), (5912, 13190), (6595, 11824), (7390, 10552)]