81449460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{452497}}^1$

素因数の和:452512

約数の個数: 36

約数和(自身を含む): 247063908

約数和(自身を除く): 165614448

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 452497, 904994, 1357491, 1809988, 2262485, 2714982, 4072473, 4524970, 5429964, 6787455, 8144946, 9049940, 13574910, 16289892, 20362365, 27149820, 40724730, 81449460]

約数ペア:

[(1, 81449460), (2, 40724730), (3, 27149820), (4, 20362365), (5, 16289892), (6, 13574910), (9, 9049940), (10, 8144946), (12, 6787455), (15, 5429964), (18, 4524970), (20, 4072473), (30, 2714982), (36, 2262485), (45, 1809988), (60, 1357491), (90, 904994), (180, 452497)]