27440840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4261}}^1$

素因数の和:4302

約数の個数: 64

約数和(自身を含む): 73647360

約数和(自身を除く): 46206520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 4261, 6440, 8522, 17044, 21305, 29827, 34088, 42610, 59654, 85220, 98003, 119308, 149135, 170440, 196006, 238616, 298270, 392012, 490015, 596540, 686021, 784024, 980030, 1193080, 1372042, 1960060, 2744084, 3430105, 3920120, 5488168, 6860210, 13720420, 27440840]

約数ペア:

[(1, 27440840), (2, 13720420), (4, 6860210), (5, 5488168), (7, 3920120), (8, 3430105), (10, 2744084), (14, 1960060), (20, 1372042), (23, 1193080), (28, 980030), (35, 784024), (40, 686021), (46, 596540), (56, 490015), (70, 392012), (92, 298270), (115, 238616), (140, 196006), (161, 170440), (184, 149135), (230, 119308), (280, 98003), (322, 85220), (460, 59654), (644, 42610), (805, 34088), (920, 29827), (1288, 21305), (1610, 17044), (3220, 8522), (4261, 6440)]