681330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1747}}^1$

素因数の和:1770

約数の個数: 32

約数和(自身を含む): 1761984

約数和(自身を除く): 1080654

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1747, 3494, 5241, 8735, 10482, 17470, 22711, 26205, 45422, 52410, 68133, 113555, 136266, 227110, 340665, 681330]

約数ペア:

[(1, 681330), (2, 340665), (3, 227110), (5, 136266), (6, 113555), (10, 68133), (13, 52410), (15, 45422), (26, 26205), (30, 22711), (39, 17470), (65, 10482), (78, 8735), (130, 5241), (195, 3494), (390, 1747)]