70887780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1979}}^1$

素因数の和:2193

約数の個数: 72

約数和(自身を含む): 216216000

約数和(自身を除く): 145328220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1979, 1990, 2388, 2985, 3582, 3958, 3980, 5937, 5970, 7164, 7916, 8955, 9895, 11874, 11940, 17811, 17910, 19790, 23748, 29685, 35622, 35820, 39580, 59370, 71244, 89055, 118740, 178110, 356220, 393821, 787642, 1181463, 1575284, 1969105, 2362926, 3544389, 3938210, 4725852, 5907315, 7088778, 7876420, 11814630, 14177556, 17721945, 23629260, 35443890, 70887780]

約数ペア:

[(1, 70887780), (2, 35443890), (3, 23629260), (4, 17721945), (5, 14177556), (6, 11814630), (9, 7876420), (10, 7088778), (12, 5907315), (15, 4725852), (18, 3938210), (20, 3544389), (30, 2362926), (36, 1969105), (45, 1575284), (60, 1181463), (90, 787642), (180, 393821), (199, 356220), (398, 178110), (597, 118740), (796, 89055), (995, 71244), (1194, 59370), (1791, 39580), (1979, 35820), (1990, 35622), (2388, 29685), (2985, 23748), (3582, 19790), (3958, 17910), (3980, 17811), (5937, 11940), (5970, 11874), (7164, 9895), (7916, 8955)]