12809720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4159}}^1$

素因数の和:4188

約数の個数: 64

約数和(自身を含む): 35942400

約数和(自身を除く): 23132680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 4159, 8318, 16636, 20795, 29113, 33272, 41590, 45749, 58226, 83180, 91498, 116452, 145565, 166360, 182996, 228745, 232904, 291130, 320243, 365992, 457490, 582260, 640486, 914980, 1164520, 1280972, 1601215, 1829960, 2561944, 3202430, 6404860, 12809720]

約数ペア:

[(1, 12809720), (2, 6404860), (4, 3202430), (5, 2561944), (7, 1829960), (8, 1601215), (10, 1280972), (11, 1164520), (14, 914980), (20, 640486), (22, 582260), (28, 457490), (35, 365992), (40, 320243), (44, 291130), (55, 232904), (56, 228745), (70, 182996), (77, 166360), (88, 145565), (110, 116452), (140, 91498), (154, 83180), (220, 58226), (280, 45749), (308, 41590), (385, 33272), (440, 29113), (616, 20795), (770, 16636), (1540, 8318), (3080, 4159)]