30695120

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8923}}^1$

素因数の和:8979

約数の個数: 40

約数和(自身を含む): 73034016

約数和(自身を除く): 42338896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 8923, 17846, 35692, 44615, 71384, 89230, 142768, 178460, 356920, 383689, 713840, 767378, 1534756, 1918445, 3069512, 3836890, 6139024, 7673780, 15347560, 30695120]

約数ペア:

[(1, 30695120), (2, 15347560), (4, 7673780), (5, 6139024), (8, 3836890), (10, 3069512), (16, 1918445), (20, 1534756), (40, 767378), (43, 713840), (80, 383689), (86, 356920), (172, 178460), (215, 142768), (344, 89230), (430, 71384), (688, 44615), (860, 35692), (1720, 17846), (3440, 8923)]