12960640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1$

素因数の和:300

約数の個数: 128

約数和(自身を含む): 38776320

約数和(自身を除く): 25815680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 263, 280, 308, 320, 352, 385, 440, 448, 526, 560, 616, 640, 704, 770, 880, 896, 1052, 1120, 1232, 1315, 1408, 1540, 1760, 1841, 2104, 2240, 2464, 2630, 2893, 3080, 3520, 3682, 4208, 4480, 4928, 5260, 5786, 6160, 7040, 7364, 8416, 9205, 9856, 10520, 11572, 12320, 14465, 14728, 16832, 18410, 20251, 21040, 23144, 24640, 28930, 29456, 33664, 36820, 40502, 42080, 46288, 49280, 57860, 58912, 73640, 81004, 84160, 92576, 101255, 115720, 117824, 147280, 162008, 168320, 185152, 202510, 231440, 235648, 294560, 324016, 370304, 405020, 462880, 589120, 648032, 810040, 925760, 1178240, 1296064, 1620080, 1851520, 2592128, 3240160, 6480320, 12960640]

約数ペア:

[(1, 12960640), (2, 6480320), (4, 3240160), (5, 2592128), (7, 1851520), (8, 1620080), (10, 1296064), (11, 1178240), (14, 925760), (16, 810040), (20, 648032), (22, 589120), (28, 462880), (32, 405020), (35, 370304), (40, 324016), (44, 294560), (55, 235648), (56, 231440), (64, 202510), (70, 185152), (77, 168320), (80, 162008), (88, 147280), (110, 117824), (112, 115720), (128, 101255), (140, 92576), (154, 84160), (160, 81004), (176, 73640), (220, 58912), (224, 57860), (263, 49280), (280, 46288), (308, 42080), (320, 40502), (352, 36820), (385, 33664), (440, 29456), (448, 28930), (526, 24640), (560, 23144), (616, 21040), (640, 20251), (704, 18410), (770, 16832), (880, 14728), (896, 14465), (1052, 12320), (1120, 11572), (1232, 10520), (1315, 9856), (1408, 9205), (1540, 8416), (1760, 7364), (1841, 7040), (2104, 6160), (2240, 5786), (2464, 5260), (2630, 4928), (2893, 4480), (3080, 4208), (3520, 3682)]