30408780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1109}}^1$

素因数の和:1578

約数の個数: 48

約数和(自身を含む): 85407840

約数和(自身を除く): 54999060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 457, 914, 1109, 1371, 1828, 2218, 2285, 2742, 3327, 4436, 4570, 5484, 5545, 6654, 6855, 9140, 11090, 13308, 13710, 16635, 22180, 27420, 33270, 66540, 506813, 1013626, 1520439, 2027252, 2534065, 3040878, 5068130, 6081756, 7602195, 10136260, 15204390, 30408780]

約数ペア:

[(1, 30408780), (2, 15204390), (3, 10136260), (4, 7602195), (5, 6081756), (6, 5068130), (10, 3040878), (12, 2534065), (15, 2027252), (20, 1520439), (30, 1013626), (60, 506813), (457, 66540), (914, 33270), (1109, 27420), (1371, 22180), (1828, 16635), (2218, 13710), (2285, 13308), (2742, 11090), (3327, 9140), (4436, 6855), (4570, 6654), (5484, 5545)]