53999120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{457}}^1$

素因数の和:688

約数の個数: 80

約数和(自身を含む): 144478848

約数和(自身を除く): 90479728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 211, 280, 422, 457, 560, 844, 914, 1055, 1477, 1688, 1828, 2110, 2285, 2954, 3199, 3376, 3656, 4220, 4570, 5908, 6398, 7312, 7385, 8440, 9140, 11816, 12796, 14770, 15995, 16880, 18280, 23632, 25592, 29540, 31990, 36560, 51184, 59080, 63980, 96427, 118160, 127960, 192854, 255920, 385708, 482135, 674989, 771416, 964270, 1349978, 1542832, 1928540, 2699956, 3374945, 3857080, 5399912, 6749890, 7714160, 10799824, 13499780, 26999560, 53999120]

約数ペア:

[(1, 53999120), (2, 26999560), (4, 13499780), (5, 10799824), (7, 7714160), (8, 6749890), (10, 5399912), (14, 3857080), (16, 3374945), (20, 2699956), (28, 1928540), (35, 1542832), (40, 1349978), (56, 964270), (70, 771416), (80, 674989), (112, 482135), (140, 385708), (211, 255920), (280, 192854), (422, 127960), (457, 118160), (560, 96427), (844, 63980), (914, 59080), (1055, 51184), (1477, 36560), (1688, 31990), (1828, 29540), (2110, 25592), (2285, 23632), (2954, 18280), (3199, 16880), (3376, 15995), (3656, 14770), (4220, 12796), (4570, 11816), (5908, 9140), (6398, 8440), (7312, 7385)]