66671680

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2341}}^1$

素因数の和:2447

約数の個数: 56

約数和(自身を含む): 160614360

約数和(自身を除く): 93942680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1424, 1780, 2341, 2848, 3560, 4682, 5696, 7120, 9364, 11705, 14240, 18728, 23410, 28480, 37456, 46820, 74912, 93640, 149824, 187280, 208349, 374560, 416698, 749120, 833396, 1041745, 1666792, 2083490, 3333584, 4166980, 6667168, 8333960, 13334336, 16667920, 33335840, 66671680]

約数ペア:

[(1, 66671680), (2, 33335840), (4, 16667920), (5, 13334336), (8, 8333960), (10, 6667168), (16, 4166980), (20, 3333584), (32, 2083490), (40, 1666792), (64, 1041745), (80, 833396), (89, 749120), (160, 416698), (178, 374560), (320, 208349), (356, 187280), (445, 149824), (712, 93640), (890, 74912), (1424, 46820), (1780, 37456), (2341, 28480), (2848, 23410), (3560, 18728), (4682, 14240), (5696, 11705), (7120, 9364)]