9999180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{18517}}^1$

素因数の和:18535

約数の個数: 48

約数和(自身を含む): 31110240

約数和(自身を除く): 21111060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 18517, 37034, 55551, 74068, 92585, 111102, 166653, 185170, 222204, 277755, 333306, 370340, 499959, 555510, 666612, 833265, 999918, 1111020, 1666530, 1999836, 2499795, 3333060, 4999590, 9999180]

約数ペア:

[(1, 9999180), (2, 4999590), (3, 3333060), (4, 2499795), (5, 1999836), (6, 1666530), (9, 1111020), (10, 999918), (12, 833265), (15, 666612), (18, 555510), (20, 499959), (27, 370340), (30, 333306), (36, 277755), (45, 222204), (54, 185170), (60, 166653), (90, 111102), (108, 92585), (135, 74068), (180, 55551), (270, 37034), (540, 18517)]