129240160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{449}}^1$

素因数の和:728

約数の個数: 96

約数和(自身を含む): 351086400

約数和(自身を除く): 221846240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 257, 280, 449, 514, 560, 898, 1028, 1120, 1285, 1796, 1799, 2056, 2245, 2570, 3143, 3592, 3598, 4112, 4490, 5140, 6286, 7184, 7196, 8224, 8980, 8995, 10280, 12572, 14368, 14392, 15715, 17960, 17990, 20560, 25144, 28784, 31430, 35920, 35980, 41120, 50288, 57568, 62860, 71840, 71960, 100576, 115393, 125720, 143920, 230786, 251440, 287840, 461572, 502880, 576965, 807751, 923144, 1153930, 1615502, 1846288, 2307860, 3231004, 3692576, 4038755, 4615720, 6462008, 8077510, 9231440, 12924016, 16155020, 18462880, 25848032, 32310040, 64620080, 129240160]

約数ペア:

[(1, 129240160), (2, 64620080), (4, 32310040), (5, 25848032), (7, 18462880), (8, 16155020), (10, 12924016), (14, 9231440), (16, 8077510), (20, 6462008), (28, 4615720), (32, 4038755), (35, 3692576), (40, 3231004), (56, 2307860), (70, 1846288), (80, 1615502), (112, 1153930), (140, 923144), (160, 807751), (224, 576965), (257, 502880), (280, 461572), (449, 287840), (514, 251440), (560, 230786), (898, 143920), (1028, 125720), (1120, 115393), (1285, 100576), (1796, 71960), (1799, 71840), (2056, 62860), (2245, 57568), (2570, 50288), (3143, 41120), (3592, 35980), (3598, 35920), (4112, 31430), (4490, 28784), (5140, 25144), (6286, 20560), (7184, 17990), (7196, 17960), (8224, 15715), (8980, 14392), (8995, 14368), (10280, 12572)]