181519980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{31189}}^1$

素因数の和:31298

約数の個数: 48

約数和(自身を含む): 513512160

約数和(自身を除く): 331992180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 5820, 31189, 62378, 93567, 124756, 155945, 187134, 311890, 374268, 467835, 623780, 935670, 1871340, 3025333, 6050666, 9075999, 12101332, 15126665, 18151998, 30253330, 36303996, 45379995, 60506660, 90759990, 181519980]

約数ペア:

[(1, 181519980), (2, 90759990), (3, 60506660), (4, 45379995), (5, 36303996), (6, 30253330), (10, 18151998), (12, 15126665), (15, 12101332), (20, 9075999), (30, 6050666), (60, 3025333), (97, 1871340), (194, 935670), (291, 623780), (388, 467835), (485, 374268), (582, 311890), (970, 187134), (1164, 155945), (1455, 124756), (1940, 93567), (2910, 62378), (5820, 31189)]