80021880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1117}}^1$

素因数の和:1333

約数の個数: 96

約数和(自身を含む): 261612000

約数和(自身を除く): 181590120

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, 1117, 1194, 1592, 1791, 1990, 2234, 2388, 2985, 3351, 3582, 3980, 4468, 4776, 5585, 5970, 6702, 7164, 7960, 8936, 8955, 10053, 11170, 11940, 13404, 14328, 16755, 17910, 20106, 22340, 23880, 26808, 33510, 35820, 40212, 44680, 50265, 67020, 71640, 80424, 100530, 134040, 201060, 222283, 402120, 444566, 666849, 889132, 1111415, 1333698, 1778264, 2000547, 2222830, 2667396, 3334245, 4001094, 4445660, 5334792, 6668490, 8002188, 8891320, 10002735, 13336980, 16004376, 20005470, 26673960, 40010940, 80021880]

約数ペア:

[(1, 80021880), (2, 40010940), (3, 26673960), (4, 20005470), (5, 16004376), (6, 13336980), (8, 10002735), (9, 8891320), (10, 8002188), (12, 6668490), (15, 5334792), (18, 4445660), (20, 4001094), (24, 3334245), (30, 2667396), (36, 2222830), (40, 2000547), (45, 1778264), (60, 1333698), (72, 1111415), (90, 889132), (120, 666849), (180, 444566), (199, 402120), (360, 222283), (398, 201060), (597, 134040), (796, 100530), (995, 80424), (1117, 71640), (1194, 67020), (1592, 50265), (1791, 44680), (1990, 40212), (2234, 35820), (2388, 33510), (2985, 26808), (3351, 23880), (3582, 22340), (3980, 20106), (4468, 17910), (4776, 16755), (5585, 14328), (5970, 13404), (6702, 11940), (7164, 11170), (7960, 10053), (8936, 8955)]