123168640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1447}}^1$

素因数の和:1492

約数の個数: 128

約数和(自身を含む): 354470400

約数和(自身を除く): 231301760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1216, 1330, 1447, 1520, 2128, 2240, 2432, 2660, 2894, 3040, 4256, 4480, 5320, 5788, 6080, 7235, 8512, 10129, 10640, 11576, 12160, 14470, 17024, 20258, 21280, 23152, 27493, 28940, 40516, 42560, 46304, 50645, 54986, 57880, 81032, 85120, 92608, 101290, 109972, 115760, 137465, 162064, 185216, 192451, 202580, 219944, 231520, 274930, 324128, 384902, 405160, 439888, 463040, 549860, 648256, 769804, 810320, 879776, 926080, 962255, 1099720, 1296512, 1539608, 1620640, 1759552, 1924510, 2199440, 3079216, 3241280, 3519104, 3849020, 4398880, 6158432, 6482560, 7698040, 8797760, 12316864, 15396080, 17595520, 24633728, 30792160, 61584320, 123168640]

約数ペア:

[(1, 123168640), (2, 61584320), (4, 30792160), (5, 24633728), (7, 17595520), (8, 15396080), (10, 12316864), (14, 8797760), (16, 7698040), (19, 6482560), (20, 6158432), (28, 4398880), (32, 3849020), (35, 3519104), (38, 3241280), (40, 3079216), (56, 2199440), (64, 1924510), (70, 1759552), (76, 1620640), (80, 1539608), (95, 1296512), (112, 1099720), (128, 962255), (133, 926080), (140, 879776), (152, 810320), (160, 769804), (190, 648256), (224, 549860), (266, 463040), (280, 439888), (304, 405160), (320, 384902), (380, 324128), (448, 274930), (532, 231520), (560, 219944), (608, 202580), (640, 192451), (665, 185216), (760, 162064), (896, 137465), (1064, 115760), (1120, 109972), (1216, 101290), (1330, 92608), (1447, 85120), (1520, 81032), (2128, 57880), (2240, 54986), (2432, 50645), (2660, 46304), (2894, 42560), (3040, 40516), (4256, 28940), (4480, 27493), (5320, 23152), (5788, 21280), (6080, 20258), (7235, 17024), (8512, 14470), (10129, 12160), (10640, 11576)]