261918720

素因数分解:

$2^{12}\times 3^2\times 5^1\times 7^2\times {\mathrm{29}}^1$

素因数の和:78

約数の個数: 468

約数和(自身を含む): 1092515580

約数和(自身を除く): 830596860

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 58, 60, 63, 64, 70, 72, 80, 84, 87, 90, 96, 98, 105, 112, 116, 120, 126, 128, 140, 144, 145, 147, 160, 168, 174, 180, 192, 196, 203, 210, 224, 232, 240, 245, 252, 256, 261, 280, 288, 290, 294, 315, 320, 336, 348, 360, 384, 392, 406, 420, 435, 441, 448, 464, 480, 490, 504, 512, 522, 560, 576, 580, 588, 609, 630, 640, 672, 696, 720, 735, 768, 784, 812, 840, 870, 882, 896, 928, 960, 980, 1008, 1015, 1024, 1044, 1120, 1152, 1160, 1176, 1218, 1260, 1280, 1305, 1344, 1392, 1421, 1440, 1470, 1536, 1568, 1624, 1680, 1740, 1764, 1792, 1827, 1856, 1920, 1960, 2016, 2030, 2048, 2088, 2205, 2240, 2304, 2320, 2352, 2436, 2520, 2560, 2610, 2688, 2784, 2842, 2880, 2940, 3045, 3072, 3136, 3248, 3360, 3480, 3528, 3584, 3654, 3712, 3840, 3920, 4032, 4060, 4096, 4176, 4263, 4410, 4480, 4608, 4640, 4704, 4872, 5040, 5120, 5220, 5376, 5568, 5684, 5760, 5880, 6090, 6144, 6272, 6496, 6720, 6960, 7056, 7105, 7168, 7308, 7424, 7680, 7840, 8064, 8120, 8352, 8526, 8820, 8960, 9135, 9216, 9280, 9408, 9744, 10080, 10240, 10440, 10752, 11136, 11368, 11520, 11760, 12180, 12288, 12544, 12789, 12992, 13440, 13920, 14112, 14210, 14336, 14616, 14848, 15360, 15680, 16128, 16240, 16704, 17052, 17640, 17920, 18270, 18432, 18560, 18816, 19488, 20160, 20480, 20880, 21315, 21504, 22272, 22736, 23040, 23520, 24360, 25088, 25578, 25984, 26880, 27840, 28224, 28420, 28672, 29232, 29696, 30720, 31360, 32256, 32480, 33408, 34104, 35280, 35840, 36540, 36864, 37120, 37632, 38976, 40320, 41760, 42630, 43008, 44544, 45472, 46080, 47040, 48720, 50176, 51156, 51968, 53760, 55680, 56448, 56840, 58464, 59392, 61440, 62720, 63945, 64512, 64960, 66816, 68208, 70560, 71680, 73080, 74240, 75264, 77952, 80640, 83520, 85260, 86016, 89088, 90944, 92160, 94080, 97440, 100352, 102312, 103936, 107520, 111360, 112896, 113680, 116928, 118784, 125440, 127890, 129024, 129920, 133632, 136416, 141120, 143360, 146160, 148480, 150528, 155904, 161280, 167040, 170520, 178176, 181888, 184320, 188160, 194880, 200704, 204624, 207872, 215040, 222720, 225792, 227360, 233856, 250880, 255780, 258048, 259840, 267264, 272832, 282240, 292320, 296960, 301056, 311808, 322560, 334080, 341040, 356352, 363776, 376320, 389760, 409248, 415744, 430080, 445440, 451584, 454720, 467712, 501760, 511560, 519680, 534528, 545664, 564480, 584640, 593920, 602112, 623616, 645120, 668160, 682080, 727552, 752640, 779520, 818496, 831488, 890880, 903168, 909440, 935424, 1003520, 1023120, 1039360, 1069056, 1091328, 1128960, 1169280, 1247232, 1290240, 1336320, 1364160, 1455104, 1505280, 1559040, 1636992, 1781760, 1806336, 1818880, 1870848, 2046240, 2078720, 2182656, 2257920, 2338560, 2494464, 2672640, 2728320, 2910208, 3010560, 3118080, 3273984, 3637760, 3741696, 4092480, 4157440, 4365312, 4515840, 4677120, 5345280, 5456640, 5820416, 6236160, 6547968, 7275520, 7483392, 8184960, 8730624, 9031680, 9354240, 10913280, 12472320, 13095936, 14551040, 16369920, 17461248, 18708480, 21826560, 26191872, 29102080, 32739840, 37416960, 43653120, 52383744, 65479680, 87306240, 130959360, 261918720]

約数ペア:

[(1, 261918720), (2, 130959360), (3, 87306240), (4, 65479680), (5, 52383744), (6, 43653120), (7, 37416960), (8, 32739840), (9, 29102080), (10, 26191872), (12, 21826560), (14, 18708480), (15, 17461248), (16, 16369920), (18, 14551040), (20, 13095936), (21, 12472320), (24, 10913280), (28, 9354240), (29, 9031680), (30, 8730624), (32, 8184960), (35, 7483392), (36, 7275520), (40, 6547968), (42, 6236160), (45, 5820416), (48, 5456640), (49, 5345280), (56, 4677120), (58, 4515840), (60, 4365312), (63, 4157440), (64, 4092480), (70, 3741696), (72, 3637760), (80, 3273984), (84, 3118080), (87, 3010560), (90, 2910208), (96, 2728320), (98, 2672640), (105, 2494464), (112, 2338560), (116, 2257920), (120, 2182656), (126, 2078720), (128, 2046240), (140, 1870848), (144, 1818880), (145, 1806336), (147, 1781760), (160, 1636992), (168, 1559040), (174, 1505280), (180, 1455104), (192, 1364160), (196, 1336320), (203, 1290240), (210, 1247232), (224, 1169280), (232, 1128960), (240, 1091328), (245, 1069056), (252, 1039360), (256, 1023120), (261, 1003520), (280, 935424), (288, 909440), (290, 903168), (294, 890880), (315, 831488), (320, 818496), (336, 779520), (348, 752640), (360, 727552), (384, 682080), (392, 668160), (406, 645120), (420, 623616), (435, 602112), (441, 593920), (448, 584640), (464, 564480), (480, 545664), (490, 534528), (504, 519680), (512, 511560), (522, 501760), (560, 467712), (576, 454720), (580, 451584), (588, 445440), (609, 430080), (630, 415744), (640, 409248), (672, 389760), (696, 376320), (720, 363776), (735, 356352), (768, 341040), (784, 334080), (812, 322560), (840, 311808), (870, 301056), (882, 296960), (896, 292320), (928, 282240), (960, 272832), (980, 267264), (1008, 259840), (1015, 258048), (1024, 255780), (1044, 250880), (1120, 233856), (1152, 227360), (1160, 225792), (1176, 222720), (1218, 215040), (1260, 207872), (1280, 204624), (1305, 200704), (1344, 194880), (1392, 188160), (1421, 184320), (1440, 181888), (1470, 178176), (1536, 170520), (1568, 167040), (1624, 161280), (1680, 155904), (1740, 150528), (1764, 148480), (1792, 146160), (1827, 143360), (1856, 141120), (1920, 136416), (1960, 133632), (2016, 129920), (2030, 129024), (2048, 127890), (2088, 125440), (2205, 118784), (2240, 116928), (2304, 113680), (2320, 112896), (2352, 111360), (2436, 107520), (2520, 103936), (2560, 102312), (2610, 100352), (2688, 97440), (2784, 94080), (2842, 92160), (2880, 90944), (2940, 89088), (3045, 86016), (3072, 85260), (3136, 83520), (3248, 80640), (3360, 77952), (3480, 75264), (3528, 74240), (3584, 73080), (3654, 71680), (3712, 70560), (3840, 68208), (3920, 66816), (4032, 64960), (4060, 64512), (4096, 63945), (4176, 62720), (4263, 61440), (4410, 59392), (4480, 58464), (4608, 56840), (4640, 56448), (4704, 55680), (4872, 53760), (5040, 51968), (5120, 51156), (5220, 50176), (5376, 48720), (5568, 47040), (5684, 46080), (5760, 45472), (5880, 44544), (6090, 43008), (6144, 42630), (6272, 41760), (6496, 40320), (6720, 38976), (6960, 37632), (7056, 37120), (7105, 36864), (7168, 36540), (7308, 35840), (7424, 35280), (7680, 34104), (7840, 33408), (8064, 32480), (8120, 32256), (8352, 31360), (8526, 30720), (8820, 29696), (8960, 29232), (9135, 28672), (9216, 28420), (9280, 28224), (9408, 27840), (9744, 26880), (10080, 25984), (10240, 25578), (10440, 25088), (10752, 24360), (11136, 23520), (11368, 23040), (11520, 22736), (11760, 22272), (12180, 21504), (12288, 21315), (12544, 20880), (12789, 20480), (12992, 20160), (13440, 19488), (13920, 18816), (14112, 18560), (14210, 18432), (14336, 18270), (14616, 17920), (14848, 17640), (15360, 17052), (15680, 16704), (16128, 16240)]