1275440

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:269

約数の個数: 40

約数和(自身を含む): 3013200

約数和(自身を除く): 1737760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 149, 214, 298, 428, 535, 596, 745, 856, 1070, 1192, 1490, 1712, 2140, 2384, 2980, 4280, 5960, 8560, 11920, 15943, 31886, 63772, 79715, 127544, 159430, 255088, 318860, 637720, 1275440]

約数ペア:

[(1, 1275440), (2, 637720), (4, 318860), (5, 255088), (8, 159430), (10, 127544), (16, 79715), (20, 63772), (40, 31886), (80, 15943), (107, 11920), (149, 8560), (214, 5960), (298, 4280), (428, 2980), (535, 2384), (596, 2140), (745, 1712), (856, 1490), (1070, 1192)]