201815680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:402

約数の個数: 128

約数和(自身を含む): 533174400

約数和(自身を除く): 331358720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 109, 110, 128, 160, 176, 218, 220, 263, 320, 352, 436, 440, 526, 545, 640, 704, 872, 880, 1052, 1090, 1199, 1315, 1408, 1744, 1760, 2104, 2180, 2398, 2630, 2893, 3488, 3520, 4208, 4360, 4796, 5260, 5786, 5995, 6976, 7040, 8416, 8720, 9592, 10520, 11572, 11990, 13952, 14465, 16832, 17440, 19184, 21040, 23144, 23980, 28667, 28930, 33664, 34880, 38368, 42080, 46288, 47960, 57334, 57860, 69760, 76736, 84160, 92576, 95920, 114668, 115720, 143335, 153472, 168320, 185152, 191840, 229336, 231440, 286670, 315337, 370304, 383680, 458672, 462880, 573340, 630674, 767360, 917344, 925760, 1146680, 1261348, 1576685, 1834688, 1851520, 2293360, 2522696, 3153370, 3669376, 4586720, 5045392, 6306740, 9173440, 10090784, 12613480, 18346880, 20181568, 25226960, 40363136, 50453920, 100907840, 201815680]

約数ペア:

[(1, 201815680), (2, 100907840), (4, 50453920), (5, 40363136), (8, 25226960), (10, 20181568), (11, 18346880), (16, 12613480), (20, 10090784), (22, 9173440), (32, 6306740), (40, 5045392), (44, 4586720), (55, 3669376), (64, 3153370), (80, 2522696), (88, 2293360), (109, 1851520), (110, 1834688), (128, 1576685), (160, 1261348), (176, 1146680), (218, 925760), (220, 917344), (263, 767360), (320, 630674), (352, 573340), (436, 462880), (440, 458672), (526, 383680), (545, 370304), (640, 315337), (704, 286670), (872, 231440), (880, 229336), (1052, 191840), (1090, 185152), (1199, 168320), (1315, 153472), (1408, 143335), (1744, 115720), (1760, 114668), (2104, 95920), (2180, 92576), (2398, 84160), (2630, 76736), (2893, 69760), (3488, 57860), (3520, 57334), (4208, 47960), (4360, 46288), (4796, 42080), (5260, 38368), (5786, 34880), (5995, 33664), (6976, 28930), (7040, 28667), (8416, 23980), (8720, 23144), (9592, 21040), (10520, 19184), (11572, 17440), (11990, 16832), (13952, 14465)]