28080144

素因数分解:

$2^4\times 3^2\times {\mathrm{109}}^1\times {\mathrm{1789}}^1$

素因数の和:1912

約数の個数: 60

約数和(自身を含む): 79350700

約数和(自身を除く): 51270556

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 109, 144, 218, 327, 436, 654, 872, 981, 1308, 1744, 1789, 1962, 2616, 3578, 3924, 5232, 5367, 7156, 7848, 10734, 14312, 15696, 16101, 21468, 28624, 32202, 42936, 64404, 85872, 128808, 195001, 257616, 390002, 585003, 780004, 1170006, 1560008, 1755009, 2340012, 3120016, 3510018, 4680024, 7020036, 9360048, 14040072, 28080144]

約数ペア:

[(1, 28080144), (2, 14040072), (3, 9360048), (4, 7020036), (6, 4680024), (8, 3510018), (9, 3120016), (12, 2340012), (16, 1755009), (18, 1560008), (24, 1170006), (36, 780004), (48, 585003), (72, 390002), (109, 257616), (144, 195001), (218, 128808), (327, 85872), (436, 64404), (654, 42936), (872, 32202), (981, 28624), (1308, 21468), (1744, 16101), (1789, 15696), (1962, 14312), (2616, 10734), (3578, 7848), (3924, 7156), (5232, 5367)]