646861320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1303}}^1$

素因数の和:1524

約数の個数: 192

約数和(自身を含む): 2416677120

約数和(自身を除く): 1769815800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 197, 210, 252, 280, 315, 360, 394, 420, 504, 591, 630, 788, 840, 985, 1182, 1260, 1303, 1379, 1576, 1773, 1970, 2364, 2520, 2606, 2758, 2955, 3546, 3909, 3940, 4137, 4728, 5212, 5516, 5910, 6515, 6895, 7092, 7818, 7880, 8274, 8865, 9121, 10424, 11032, 11727, 11820, 12411, 13030, 13790, 14184, 15636, 16548, 17730, 18242, 19545, 20685, 23454, 23640, 24822, 26060, 27363, 27580, 31272, 33096, 35460, 36484, 39090, 41370, 45605, 46908, 49644, 52120, 54726, 55160, 58635, 62055, 70920, 72968, 78180, 82089, 82740, 91210, 93816, 99288, 109452, 117270, 124110, 136815, 156360, 164178, 165480, 182420, 218904, 234540, 248220, 256691, 273630, 328356, 364840, 410445, 469080, 496440, 513382, 547260, 656712, 770073, 820890, 1026764, 1094520, 1283455, 1540146, 1641780, 1796837, 2053528, 2310219, 2566910, 3080292, 3283560, 3593674, 3850365, 4620438, 5133820, 5390511, 6160584, 7187348, 7700730, 8984185, 9240876, 10267640, 10781022, 11551095, 14374696, 15401460, 16171533, 17968370, 18481752, 21562044, 23102190, 26952555, 30802920, 32343066, 35936740, 43124088, 46204380, 53905110, 64686132, 71873480, 80857665, 92408760, 107810220, 129372264, 161715330, 215620440, 323430660, 646861320]

約数ペア:

[(1, 646861320), (2, 323430660), (3, 215620440), (4, 161715330), (5, 129372264), (6, 107810220), (7, 92408760), (8, 80857665), (9, 71873480), (10, 64686132), (12, 53905110), (14, 46204380), (15, 43124088), (18, 35936740), (20, 32343066), (21, 30802920), (24, 26952555), (28, 23102190), (30, 21562044), (35, 18481752), (36, 17968370), (40, 16171533), (42, 15401460), (45, 14374696), (56, 11551095), (60, 10781022), (63, 10267640), (70, 9240876), (72, 8984185), (84, 7700730), (90, 7187348), (105, 6160584), (120, 5390511), (126, 5133820), (140, 4620438), (168, 3850365), (180, 3593674), (197, 3283560), (210, 3080292), (252, 2566910), (280, 2310219), (315, 2053528), (360, 1796837), (394, 1641780), (420, 1540146), (504, 1283455), (591, 1094520), (630, 1026764), (788, 820890), (840, 770073), (985, 656712), (1182, 547260), (1260, 513382), (1303, 496440), (1379, 469080), (1576, 410445), (1773, 364840), (1970, 328356), (2364, 273630), (2520, 256691), (2606, 248220), (2758, 234540), (2955, 218904), (3546, 182420), (3909, 165480), (3940, 164178), (4137, 156360), (4728, 136815), (5212, 124110), (5516, 117270), (5910, 109452), (6515, 99288), (6895, 93816), (7092, 91210), (7818, 82740), (7880, 82089), (8274, 78180), (8865, 72968), (9121, 70920), (10424, 62055), (11032, 58635), (11727, 55160), (11820, 54726), (12411, 52120), (13030, 49644), (13790, 46908), (14184, 45605), (15636, 41370), (16548, 39090), (17730, 36484), (18242, 35460), (19545, 33096), (20685, 31272), (23454, 27580), (23640, 27363), (24822, 26060)]