28161660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20407}}^1$

素因数の和:20442

約数の個数: 48

約数和(自身を含む): 82285056

約数和(自身を除く): 54123396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 20407, 40814, 61221, 81628, 102035, 122442, 204070, 244884, 306105, 408140, 469361, 612210, 938722, 1224420, 1408083, 1877444, 2346805, 2816166, 4693610, 5632332, 7040415, 9387220, 14080830, 28161660]

約数ペア:

[(1, 28161660), (2, 14080830), (3, 9387220), (4, 7040415), (5, 5632332), (6, 4693610), (10, 2816166), (12, 2346805), (15, 1877444), (20, 1408083), (23, 1224420), (30, 938722), (46, 612210), (60, 469361), (69, 408140), (92, 306105), (115, 244884), (138, 204070), (230, 122442), (276, 102035), (345, 81628), (460, 61221), (690, 40814), (1380, 20407)]