38778660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2221}}^1$

素因数の和:2333

約数の個数: 72

約数和(自身を含む): 118894776

約数和(自身を除く): 80116116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2221, 2910, 3492, 4365, 4442, 5820, 6663, 8730, 8884, 11105, 13326, 17460, 19989, 22210, 26652, 33315, 39978, 44420, 66630, 79956, 99945, 133260, 199890, 215437, 399780, 430874, 646311, 861748, 1077185, 1292622, 1938933, 2154370, 2585244, 3231555, 3877866, 4308740, 6463110, 7755732, 9694665, 12926220, 19389330, 38778660]

約数ペア:

[(1, 38778660), (2, 19389330), (3, 12926220), (4, 9694665), (5, 7755732), (6, 6463110), (9, 4308740), (10, 3877866), (12, 3231555), (15, 2585244), (18, 2154370), (20, 1938933), (30, 1292622), (36, 1077185), (45, 861748), (60, 646311), (90, 430874), (97, 399780), (180, 215437), (194, 199890), (291, 133260), (388, 99945), (485, 79956), (582, 66630), (873, 44420), (970, 39978), (1164, 33315), (1455, 26652), (1746, 22210), (1940, 19989), (2221, 17460), (2910, 13326), (3492, 11105), (4365, 8884), (4442, 8730), (5820, 6663)]