12643120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 34069248

約数和(自身を除く): 21426128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 140, 211, 214, 280, 422, 428, 535, 560, 749, 844, 856, 1055, 1070, 1477, 1498, 1688, 1712, 2110, 2140, 2954, 2996, 3376, 3745, 4220, 4280, 5908, 5992, 7385, 7490, 8440, 8560, 11816, 11984, 14770, 14980, 16880, 22577, 23632, 29540, 29960, 45154, 59080, 59920, 90308, 112885, 118160, 158039, 180616, 225770, 316078, 361232, 451540, 632156, 790195, 903080, 1264312, 1580390, 1806160, 2528624, 3160780, 6321560, 12643120]

約数ペア:

[(1, 12643120), (2, 6321560), (4, 3160780), (5, 2528624), (7, 1806160), (8, 1580390), (10, 1264312), (14, 903080), (16, 790195), (20, 632156), (28, 451540), (35, 361232), (40, 316078), (56, 225770), (70, 180616), (80, 158039), (107, 118160), (112, 112885), (140, 90308), (211, 59920), (214, 59080), (280, 45154), (422, 29960), (428, 29540), (535, 23632), (560, 22577), (749, 16880), (844, 14980), (856, 14770), (1055, 11984), (1070, 11816), (1477, 8560), (1498, 8440), (1688, 7490), (1712, 7385), (2110, 5992), (2140, 5908), (2954, 4280), (2996, 4220), (3376, 3745)]