30295760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 77673600

約数和(自身を除く): 47377840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 173, 176, 199, 220, 346, 398, 440, 692, 796, 865, 880, 995, 1384, 1592, 1730, 1903, 1990, 2189, 2768, 3184, 3460, 3806, 3980, 4378, 6920, 7612, 7960, 8756, 9515, 10945, 13840, 15224, 15920, 17512, 19030, 21890, 30448, 34427, 35024, 38060, 43780, 68854, 76120, 87560, 137708, 152240, 172135, 175120, 275416, 344270, 378697, 550832, 688540, 757394, 1377080, 1514788, 1893485, 2754160, 3029576, 3786970, 6059152, 7573940, 15147880, 30295760]

約数ペア:

[(1, 30295760), (2, 15147880), (4, 7573940), (5, 6059152), (8, 3786970), (10, 3029576), (11, 2754160), (16, 1893485), (20, 1514788), (22, 1377080), (40, 757394), (44, 688540), (55, 550832), (80, 378697), (88, 344270), (110, 275416), (173, 175120), (176, 172135), (199, 152240), (220, 137708), (346, 87560), (398, 76120), (440, 68854), (692, 43780), (796, 38060), (865, 35024), (880, 34427), (995, 30448), (1384, 21890), (1592, 19030), (1730, 17512), (1903, 15920), (1990, 15224), (2189, 13840), (2768, 10945), (3184, 9515), (3460, 8756), (3806, 7960), (3980, 7612), (4378, 6920)]