3205720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^2$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 8321040

約数和(自身を除く): 5115320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 749, 856, 1070, 1498, 2140, 2996, 3745, 4280, 5992, 7490, 11449, 14980, 22898, 29960, 45796, 57245, 80143, 91592, 114490, 160286, 228980, 320572, 400715, 457960, 641144, 801430, 1602860, 3205720]

約数ペア:

[(1, 3205720), (2, 1602860), (4, 801430), (5, 641144), (7, 457960), (8, 400715), (10, 320572), (14, 228980), (20, 160286), (28, 114490), (35, 91592), (40, 80143), (56, 57245), (70, 45796), (107, 29960), (140, 22898), (214, 14980), (280, 11449), (428, 7490), (535, 5992), (749, 4280), (856, 3745), (1070, 2996), (1498, 2140)]