16988820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2749}}^1$

素因数の和:2864

約数の個数: 48

約数和(自身を含む): 48048000

約数和(自身を除く): 31059180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 2749, 3090, 5498, 6180, 8247, 10996, 13745, 16494, 27490, 32988, 41235, 54980, 82470, 164940, 283147, 566294, 849441, 1132588, 1415735, 1698882, 2831470, 3397764, 4247205, 5662940, 8494410, 16988820]

約数ペア:

[(1, 16988820), (2, 8494410), (3, 5662940), (4, 4247205), (5, 3397764), (6, 2831470), (10, 1698882), (12, 1415735), (15, 1132588), (20, 849441), (30, 566294), (60, 283147), (103, 164940), (206, 82470), (309, 54980), (412, 41235), (515, 32988), (618, 27490), (1030, 16494), (1236, 13745), (1545, 10996), (2060, 8247), (2749, 6180), (3090, 5498)]