8639340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1321}}^1$

素因数の和:1442

約数の個数: 48

約数和(自身を含む): 24430560

約数和(自身を除く): 15791220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1321, 1635, 2180, 2642, 3270, 3963, 5284, 6540, 6605, 7926, 13210, 15852, 19815, 26420, 39630, 79260, 143989, 287978, 431967, 575956, 719945, 863934, 1439890, 1727868, 2159835, 2879780, 4319670, 8639340]

約数ペア:

[(1, 8639340), (2, 4319670), (3, 2879780), (4, 2159835), (5, 1727868), (6, 1439890), (10, 863934), (12, 719945), (15, 575956), (20, 431967), (30, 287978), (60, 143989), (109, 79260), (218, 39630), (327, 26420), (436, 19815), (545, 15852), (654, 13210), (1090, 7926), (1308, 6605), (1321, 6540), (1635, 5284), (2180, 3963), (2642, 3270)]