8456820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8291}}^1$

素因数の和:8320

約数の個数: 48

約数和(自身を含む): 25075008

約数和(自身を除く): 16618188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 8291, 16582, 24873, 33164, 41455, 49746, 82910, 99492, 124365, 140947, 165820, 248730, 281894, 422841, 497460, 563788, 704735, 845682, 1409470, 1691364, 2114205, 2818940, 4228410, 8456820]

約数ペア:

[(1, 8456820), (2, 4228410), (3, 2818940), (4, 2114205), (5, 1691364), (6, 1409470), (10, 845682), (12, 704735), (15, 563788), (17, 497460), (20, 422841), (30, 281894), (34, 248730), (51, 165820), (60, 140947), (68, 124365), (85, 99492), (102, 82910), (170, 49746), (204, 41455), (255, 33164), (340, 24873), (510, 16582), (1020, 8291)]