15147880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 37584000

約数和(自身を除く): 22436120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 173, 199, 220, 346, 398, 440, 692, 796, 865, 995, 1384, 1592, 1730, 1903, 1990, 2189, 3460, 3806, 3980, 4378, 6920, 7612, 7960, 8756, 9515, 10945, 15224, 17512, 19030, 21890, 34427, 38060, 43780, 68854, 76120, 87560, 137708, 172135, 275416, 344270, 378697, 688540, 757394, 1377080, 1514788, 1893485, 3029576, 3786970, 7573940, 15147880]

約数ペア:

[(1, 15147880), (2, 7573940), (4, 3786970), (5, 3029576), (8, 1893485), (10, 1514788), (11, 1377080), (20, 757394), (22, 688540), (40, 378697), (44, 344270), (55, 275416), (88, 172135), (110, 137708), (173, 87560), (199, 76120), (220, 68854), (346, 43780), (398, 38060), (440, 34427), (692, 21890), (796, 19030), (865, 17512), (995, 15224), (1384, 10945), (1592, 9515), (1730, 8756), (1903, 7960), (1990, 7612), (2189, 6920), (3460, 4378), (3806, 3980)]