12320560

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{449}}^1$

素因数の和:483

約数の個数: 80

約数和(自身を含む): 33480000

約数和(自身を除く): 21159440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 449, 490, 560, 686, 784, 898, 980, 1372, 1715, 1796, 1960, 2245, 2744, 3143, 3430, 3592, 3920, 4490, 5488, 6286, 6860, 7184, 8980, 12572, 13720, 15715, 17960, 22001, 25144, 27440, 31430, 35920, 44002, 50288, 62860, 88004, 110005, 125720, 154007, 176008, 220010, 251440, 308014, 352016, 440020, 616028, 770035, 880040, 1232056, 1540070, 1760080, 2464112, 3080140, 6160280, 12320560]

約数ペア:

[(1, 12320560), (2, 6160280), (4, 3080140), (5, 2464112), (7, 1760080), (8, 1540070), (10, 1232056), (14, 880040), (16, 770035), (20, 616028), (28, 440020), (35, 352016), (40, 308014), (49, 251440), (56, 220010), (70, 176008), (80, 154007), (98, 125720), (112, 110005), (140, 88004), (196, 62860), (245, 50288), (280, 44002), (343, 35920), (392, 31430), (449, 27440), (490, 25144), (560, 22001), (686, 17960), (784, 15715), (898, 13720), (980, 12572), (1372, 8980), (1715, 7184), (1796, 6860), (1960, 6286), (2245, 5488), (2744, 4490), (3143, 3920), (3430, 3592)]