81189060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{2111}}^1$

素因数の和:2764

約数の個数: 48

約数和(自身を含む): 227791872

約数和(自身を除く): 146602812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 641, 1282, 1923, 2111, 2564, 3205, 3846, 4222, 6333, 6410, 7692, 8444, 9615, 10555, 12666, 12820, 19230, 21110, 25332, 31665, 38460, 42220, 63330, 126660, 1353151, 2706302, 4059453, 5412604, 6765755, 8118906, 13531510, 16237812, 20297265, 27063020, 40594530, 81189060]

約数ペア:

[(1, 81189060), (2, 40594530), (3, 27063020), (4, 20297265), (5, 16237812), (6, 13531510), (10, 8118906), (12, 6765755), (15, 5412604), (20, 4059453), (30, 2706302), (60, 1353151), (641, 126660), (1282, 63330), (1923, 42220), (2111, 38460), (2564, 31665), (3205, 25332), (3846, 21110), (4222, 19230), (6333, 12820), (6410, 12666), (7692, 10555), (8444, 9615)]