656766480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{479}}^1$

素因数の和:721

約数の個数: 160

約数和(自身を含む): 2121292800

約数和(自身を除く): 1464526320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 197, 232, 240, 290, 348, 394, 435, 464, 479, 580, 591, 696, 788, 870, 958, 985, 1160, 1182, 1392, 1437, 1576, 1740, 1916, 1970, 2320, 2364, 2395, 2874, 2955, 3152, 3480, 3832, 3940, 4728, 4790, 5713, 5748, 5910, 6960, 7185, 7664, 7880, 9456, 9580, 11426, 11496, 11820, 13891, 14370, 15760, 17139, 19160, 22852, 22992, 23640, 27782, 28565, 28740, 34278, 38320, 41673, 45704, 47280, 55564, 57130, 57480, 68556, 69455, 83346, 85695, 91408, 94363, 111128, 114260, 114960, 137112, 138910, 166692, 171390, 188726, 208365, 222256, 228520, 274224, 277820, 283089, 333384, 342780, 377452, 416730, 457040, 471815, 555640, 566178, 666768, 685560, 754904, 833460, 943630, 1111280, 1132356, 1371120, 1415445, 1509808, 1666920, 1887260, 2264712, 2736527, 2830890, 3333840, 3774520, 4529424, 5473054, 5661780, 7549040, 8209581, 10946108, 11323560, 13682635, 16419162, 21892216, 22647120, 27365270, 32838324, 41047905, 43784432, 54730540, 65676648, 82095810, 109461080, 131353296, 164191620, 218922160, 328383240, 656766480]

約数ペア:

[(1, 656766480), (2, 328383240), (3, 218922160), (4, 164191620), (5, 131353296), (6, 109461080), (8, 82095810), (10, 65676648), (12, 54730540), (15, 43784432), (16, 41047905), (20, 32838324), (24, 27365270), (29, 22647120), (30, 21892216), (40, 16419162), (48, 13682635), (58, 11323560), (60, 10946108), (80, 8209581), (87, 7549040), (116, 5661780), (120, 5473054), (145, 4529424), (174, 3774520), (197, 3333840), (232, 2830890), (240, 2736527), (290, 2264712), (348, 1887260), (394, 1666920), (435, 1509808), (464, 1415445), (479, 1371120), (580, 1132356), (591, 1111280), (696, 943630), (788, 833460), (870, 754904), (958, 685560), (985, 666768), (1160, 566178), (1182, 555640), (1392, 471815), (1437, 457040), (1576, 416730), (1740, 377452), (1916, 342780), (1970, 333384), (2320, 283089), (2364, 277820), (2395, 274224), (2874, 228520), (2955, 222256), (3152, 208365), (3480, 188726), (3832, 171390), (3940, 166692), (4728, 138910), (4790, 137112), (5713, 114960), (5748, 114260), (5910, 111128), (6960, 94363), (7185, 91408), (7664, 85695), (7880, 83346), (9456, 69455), (9580, 68556), (11426, 57480), (11496, 57130), (11820, 55564), (13891, 47280), (14370, 45704), (15760, 41673), (17139, 38320), (19160, 34278), (22852, 28740), (22992, 28565), (23640, 27782)]