28302660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1621}}^1$

素因数の和:1733

約数の個数: 72

約数和(自身を含む): 86789976

約数和(自身を除く): 58487316

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, 1621, 1746, 1940, 2910, 3242, 3492, 4365, 4863, 5820, 6484, 8105, 8730, 9726, 14589, 16210, 17460, 19452, 24315, 29178, 32420, 48630, 58356, 72945, 97260, 145890, 157237, 291780, 314474, 471711, 628948, 786185, 943422, 1415133, 1572370, 1886844, 2358555, 2830266, 3144740, 4717110, 5660532, 7075665, 9434220, 14151330, 28302660]

約数ペア:

[(1, 28302660), (2, 14151330), (3, 9434220), (4, 7075665), (5, 5660532), (6, 4717110), (9, 3144740), (10, 2830266), (12, 2358555), (15, 1886844), (18, 1572370), (20, 1415133), (30, 943422), (36, 786185), (45, 628948), (60, 471711), (90, 314474), (97, 291780), (180, 157237), (194, 145890), (291, 97260), (388, 72945), (485, 58356), (582, 48630), (873, 32420), (970, 29178), (1164, 24315), (1455, 19452), (1621, 17460), (1746, 16210), (1940, 14589), (2910, 9726), (3242, 8730), (3492, 8105), (4365, 6484), (4863, 5820)]