80451720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1123}}^1$

素因数の和:1339

約数の個数: 96

約数和(自身を含む): 263016000

約数和(自身を除く): 182564280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 199, 360, 398, 597, 796, 995, 1123, 1194, 1592, 1791, 1990, 2246, 2388, 2985, 3369, 3582, 3980, 4492, 4776, 5615, 5970, 6738, 7164, 7960, 8955, 8984, 10107, 11230, 11940, 13476, 14328, 16845, 17910, 20214, 22460, 23880, 26952, 33690, 35820, 40428, 44920, 50535, 67380, 71640, 80856, 101070, 134760, 202140, 223477, 404280, 446954, 670431, 893908, 1117385, 1340862, 1787816, 2011293, 2234770, 2681724, 3352155, 4022586, 4469540, 5363448, 6704310, 8045172, 8939080, 10056465, 13408620, 16090344, 20112930, 26817240, 40225860, 80451720]

約数ペア:

[(1, 80451720), (2, 40225860), (3, 26817240), (4, 20112930), (5, 16090344), (6, 13408620), (8, 10056465), (9, 8939080), (10, 8045172), (12, 6704310), (15, 5363448), (18, 4469540), (20, 4022586), (24, 3352155), (30, 2681724), (36, 2234770), (40, 2011293), (45, 1787816), (60, 1340862), (72, 1117385), (90, 893908), (120, 670431), (180, 446954), (199, 404280), (360, 223477), (398, 202140), (597, 134760), (796, 101070), (995, 80856), (1123, 71640), (1194, 67380), (1592, 50535), (1791, 44920), (1990, 40428), (2246, 35820), (2388, 33690), (2985, 26952), (3369, 23880), (3582, 22460), (3980, 20214), (4492, 17910), (4776, 16845), (5615, 14328), (5970, 13476), (6738, 11940), (7164, 11230), (7960, 10107), (8955, 8984)]