15254220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2621}}^1$

素因数の和:2730

約数の個数: 48

約数和(自身を含む): 43168608

約数和(自身を除く): 27914388

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, 2621, 2910, 5242, 5820, 7863, 10484, 13105, 15726, 26210, 31452, 39315, 52420, 78630, 157260, 254237, 508474, 762711, 1016948, 1271185, 1525422, 2542370, 3050844, 3813555, 5084740, 7627110, 15254220]

約数ペア:

[(1, 15254220), (2, 7627110), (3, 5084740), (4, 3813555), (5, 3050844), (6, 2542370), (10, 1525422), (12, 1271185), (15, 1016948), (20, 762711), (30, 508474), (60, 254237), (97, 157260), (194, 78630), (291, 52420), (388, 39315), (485, 31452), (582, 26210), (970, 15726), (1164, 13105), (1455, 10484), (1940, 7863), (2621, 5820), (2910, 5242)]