2638140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43969}}^1$

素因数の和:43981

約数の個数: 24

約数和(自身を含む): 7386960

約数和(自身を除く): 4748820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 43969, 87938, 131907, 175876, 219845, 263814, 439690, 527628, 659535, 879380, 1319070, 2638140]

約数ペア:

[(1, 2638140), (2, 1319070), (3, 879380), (4, 659535), (5, 527628), (6, 439690), (10, 263814), (12, 219845), (15, 175876), (20, 131907), (30, 87938), (60, 43969)]