8380120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^2$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 21674160

約数和(自身を除く): 13294040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 692, 865, 1211, 1384, 1730, 2422, 3460, 4844, 6055, 6920, 9688, 12110, 24220, 29929, 48440, 59858, 119716, 149645, 209503, 239432, 299290, 419006, 598580, 838012, 1047515, 1197160, 1676024, 2095030, 4190060, 8380120]

約数ペア:

[(1, 8380120), (2, 4190060), (4, 2095030), (5, 1676024), (7, 1197160), (8, 1047515), (10, 838012), (14, 598580), (20, 419006), (28, 299290), (35, 239432), (40, 209503), (56, 149645), (70, 119716), (140, 59858), (173, 48440), (280, 29929), (346, 24220), (692, 12110), (865, 9688), (1211, 6920), (1384, 6055), (1730, 4844), (2422, 3460)]