138216960

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{857}}^1$

素因数の和:893

約数の個数: 240

約数和(自身を含む): 547706016

約数和(自身を除く): 409489056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 857, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1714, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2571, 2688, 2880, 3360, 3428, 3584, 3840, 4032, 4285, 4480, 4608, 5040, 5142, 5376, 5760, 5999, 6720, 6856, 7680, 7713, 8064, 8570, 8960, 10080, 10284, 10752, 11520, 11998, 12855, 13440, 13712, 15426, 16128, 17140, 17920, 17997, 20160, 20568, 23040, 23996, 25710, 26880, 27424, 29995, 30852, 32256, 34280, 35994, 38565, 40320, 41136, 47992, 51420, 53760, 53991, 54848, 59990, 61704, 68560, 71988, 77130, 80640, 82272, 89985, 95984, 102840, 107982, 109696, 119980, 123408, 137120, 143976, 154260, 161280, 164544, 179970, 191968, 205680, 215964, 219392, 239960, 246816, 269955, 274240, 287952, 308520, 329088, 359940, 383936, 411360, 431928, 438784, 479920, 493632, 539910, 548480, 575904, 617040, 658176, 719880, 767872, 822720, 863856, 959840, 987264, 1079820, 1096960, 1151808, 1234080, 1316352, 1439760, 1535744, 1645440, 1727712, 1919680, 1974528, 2159640, 2193920, 2303616, 2468160, 2879520, 3071488, 3290880, 3455424, 3839360, 3949056, 4319280, 4607232, 4936320, 5759040, 6581760, 6910848, 7678720, 8638560, 9214464, 9872640, 11518080, 13821696, 15357440, 17277120, 19745280, 23036160, 27643392, 34554240, 46072320, 69108480, 138216960]

約数ペア:

[(1, 138216960), (2, 69108480), (3, 46072320), (4, 34554240), (5, 27643392), (6, 23036160), (7, 19745280), (8, 17277120), (9, 15357440), (10, 13821696), (12, 11518080), (14, 9872640), (15, 9214464), (16, 8638560), (18, 7678720), (20, 6910848), (21, 6581760), (24, 5759040), (28, 4936320), (30, 4607232), (32, 4319280), (35, 3949056), (36, 3839360), (40, 3455424), (42, 3290880), (45, 3071488), (48, 2879520), (56, 2468160), (60, 2303616), (63, 2193920), (64, 2159640), (70, 1974528), (72, 1919680), (80, 1727712), (84, 1645440), (90, 1535744), (96, 1439760), (105, 1316352), (112, 1234080), (120, 1151808), (126, 1096960), (128, 1079820), (140, 987264), (144, 959840), (160, 863856), (168, 822720), (180, 767872), (192, 719880), (210, 658176), (224, 617040), (240, 575904), (252, 548480), (256, 539910), (280, 493632), (288, 479920), (315, 438784), (320, 431928), (336, 411360), (360, 383936), (384, 359940), (420, 329088), (448, 308520), (480, 287952), (504, 274240), (512, 269955), (560, 246816), (576, 239960), (630, 219392), (640, 215964), (672, 205680), (720, 191968), (768, 179970), (840, 164544), (857, 161280), (896, 154260), (960, 143976), (1008, 137120), (1120, 123408), (1152, 119980), (1260, 109696), (1280, 107982), (1344, 102840), (1440, 95984), (1536, 89985), (1680, 82272), (1714, 80640), (1792, 77130), (1920, 71988), (2016, 68560), (2240, 61704), (2304, 59990), (2520, 54848), (2560, 53991), (2571, 53760), (2688, 51420), (2880, 47992), (3360, 41136), (3428, 40320), (3584, 38565), (3840, 35994), (4032, 34280), (4285, 32256), (4480, 30852), (4608, 29995), (5040, 27424), (5142, 26880), (5376, 25710), (5760, 23996), (5999, 23040), (6720, 20568), (6856, 20160), (7680, 17997), (7713, 17920), (8064, 17140), (8570, 16128), (8960, 15426), (10080, 13712), (10284, 13440), (10752, 12855), (11520, 11998)]