221742720

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:443

約数の個数: 192

約数和(自身を含む): 774039240

約数和(自身を除く): 552296520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 137, 144, 160, 180, 192, 240, 274, 281, 288, 320, 360, 384, 411, 480, 548, 562, 576, 640, 685, 720, 822, 843, 960, 1096, 1124, 1152, 1233, 1370, 1405, 1440, 1644, 1686, 1920, 2055, 2192, 2248, 2466, 2529, 2740, 2810, 2880, 3288, 3372, 4110, 4215, 4384, 4496, 4932, 5058, 5480, 5620, 5760, 6165, 6576, 6744, 8220, 8430, 8768, 8992, 9864, 10116, 10960, 11240, 12330, 12645, 13152, 13488, 16440, 16860, 17536, 17984, 19728, 20232, 21920, 22480, 24660, 25290, 26304, 26976, 32880, 33720, 35968, 38497, 39456, 40464, 43840, 44960, 49320, 50580, 52608, 53952, 65760, 67440, 76994, 78912, 80928, 87680, 89920, 98640, 101160, 107904, 115491, 131520, 134880, 153988, 157824, 161856, 179840, 192485, 197280, 202320, 230982, 263040, 269760, 307976, 323712, 346473, 384970, 394560, 404640, 461964, 539520, 577455, 615952, 692946, 769940, 789120, 809280, 923928, 1154910, 1231904, 1385892, 1539880, 1618560, 1732365, 1847856, 2309820, 2463808, 2771784, 3079760, 3464730, 3695712, 4619640, 4927616, 5543568, 6159520, 6929460, 7391424, 9239280, 11087136, 12319040, 13858920, 14782848, 18478560, 22174272, 24638080, 27717840, 36957120, 44348544, 55435680, 73914240, 110871360, 221742720]

約数ペア:

[(1, 221742720), (2, 110871360), (3, 73914240), (4, 55435680), (5, 44348544), (6, 36957120), (8, 27717840), (9, 24638080), (10, 22174272), (12, 18478560), (15, 14782848), (16, 13858920), (18, 12319040), (20, 11087136), (24, 9239280), (30, 7391424), (32, 6929460), (36, 6159520), (40, 5543568), (45, 4927616), (48, 4619640), (60, 3695712), (64, 3464730), (72, 3079760), (80, 2771784), (90, 2463808), (96, 2309820), (120, 1847856), (128, 1732365), (137, 1618560), (144, 1539880), (160, 1385892), (180, 1231904), (192, 1154910), (240, 923928), (274, 809280), (281, 789120), (288, 769940), (320, 692946), (360, 615952), (384, 577455), (411, 539520), (480, 461964), (548, 404640), (562, 394560), (576, 384970), (640, 346473), (685, 323712), (720, 307976), (822, 269760), (843, 263040), (960, 230982), (1096, 202320), (1124, 197280), (1152, 192485), (1233, 179840), (1370, 161856), (1405, 157824), (1440, 153988), (1644, 134880), (1686, 131520), (1920, 115491), (2055, 107904), (2192, 101160), (2248, 98640), (2466, 89920), (2529, 87680), (2740, 80928), (2810, 78912), (2880, 76994), (3288, 67440), (3372, 65760), (4110, 53952), (4215, 52608), (4384, 50580), (4496, 49320), (4932, 44960), (5058, 43840), (5480, 40464), (5620, 39456), (5760, 38497), (6165, 35968), (6576, 33720), (6744, 32880), (8220, 26976), (8430, 26304), (8768, 25290), (8992, 24660), (9864, 22480), (10116, 21920), (10960, 20232), (11240, 19728), (12330, 17984), (12645, 17536), (13152, 16860), (13488, 16440)]