261880320

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 320

約数和(自身を含む): 937689984

約数和(自身を除く): 675809664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 43, 48, 52, 60, 61, 64, 65, 78, 80, 86, 96, 104, 120, 122, 128, 129, 130, 156, 160, 172, 183, 192, 195, 208, 215, 240, 244, 256, 258, 260, 305, 312, 320, 344, 366, 384, 390, 416, 430, 480, 488, 512, 516, 520, 559, 610, 624, 640, 645, 688, 732, 768, 780, 793, 832, 860, 915, 960, 976, 1032, 1040, 1118, 1220, 1248, 1280, 1290, 1376, 1464, 1536, 1560, 1586, 1664, 1677, 1720, 1830, 1920, 1952, 2064, 2080, 2236, 2379, 2440, 2496, 2560, 2580, 2623, 2752, 2795, 2928, 3120, 3172, 3328, 3354, 3440, 3660, 3840, 3904, 3965, 4128, 4160, 4472, 4758, 4880, 4992, 5160, 5246, 5504, 5590, 5856, 6240, 6344, 6656, 6708, 6880, 7320, 7680, 7808, 7869, 7930, 8256, 8320, 8385, 8944, 9516, 9760, 9984, 10320, 10492, 11008, 11180, 11712, 11895, 12480, 12688, 13115, 13416, 13760, 14640, 15616, 15738, 15860, 16512, 16640, 16770, 17888, 19032, 19520, 19968, 20640, 20984, 22016, 22360, 23424, 23790, 24960, 25376, 26230, 26832, 27520, 29280, 31232, 31476, 31720, 33024, 33280, 33540, 34099, 35776, 38064, 39040, 39345, 41280, 41968, 44720, 46848, 47580, 49920, 50752, 52460, 53664, 55040, 58560, 62952, 63440, 66048, 67080, 68198, 71552, 76128, 78080, 78690, 82560, 83936, 89440, 93696, 95160, 99840, 101504, 102297, 104920, 107328, 110080, 117120, 125904, 126880, 134160, 136396, 143104, 152256, 156160, 157380, 165120, 167872, 170495, 178880, 190320, 203008, 204594, 209840, 214656, 234240, 251808, 253760, 268320, 272792, 286208, 304512, 314760, 330240, 335744, 340990, 357760, 380640, 406016, 409188, 419680, 429312, 468480, 503616, 507520, 511485, 536640, 545584, 609024, 629520, 671488, 681980, 715520, 761280, 818376, 839360, 858624, 1007232, 1015040, 1022970, 1073280, 1091168, 1218048, 1259040, 1342976, 1363960, 1431040, 1522560, 1636752, 1678720, 2014464, 2030080, 2045940, 2146560, 2182336, 2518080, 2727920, 3045120, 3273504, 3357440, 4028928, 4091880, 4293120, 4364672, 5036160, 5455840, 6090240, 6547008, 6714880, 8183760, 8729344, 10072320, 10911680, 13094016, 16367520, 17458688, 20144640, 21823360, 26188032, 32735040, 43646720, 52376064, 65470080, 87293440, 130940160, 261880320]

約数ペア:

[(1, 261880320), (2, 130940160), (3, 87293440), (4, 65470080), (5, 52376064), (6, 43646720), (8, 32735040), (10, 26188032), (12, 21823360), (13, 20144640), (15, 17458688), (16, 16367520), (20, 13094016), (24, 10911680), (26, 10072320), (30, 8729344), (32, 8183760), (39, 6714880), (40, 6547008), (43, 6090240), (48, 5455840), (52, 5036160), (60, 4364672), (61, 4293120), (64, 4091880), (65, 4028928), (78, 3357440), (80, 3273504), (86, 3045120), (96, 2727920), (104, 2518080), (120, 2182336), (122, 2146560), (128, 2045940), (129, 2030080), (130, 2014464), (156, 1678720), (160, 1636752), (172, 1522560), (183, 1431040), (192, 1363960), (195, 1342976), (208, 1259040), (215, 1218048), (240, 1091168), (244, 1073280), (256, 1022970), (258, 1015040), (260, 1007232), (305, 858624), (312, 839360), (320, 818376), (344, 761280), (366, 715520), (384, 681980), (390, 671488), (416, 629520), (430, 609024), (480, 545584), (488, 536640), (512, 511485), (516, 507520), (520, 503616), (559, 468480), (610, 429312), (624, 419680), (640, 409188), (645, 406016), (688, 380640), (732, 357760), (768, 340990), (780, 335744), (793, 330240), (832, 314760), (860, 304512), (915, 286208), (960, 272792), (976, 268320), (1032, 253760), (1040, 251808), (1118, 234240), (1220, 214656), (1248, 209840), (1280, 204594), (1290, 203008), (1376, 190320), (1464, 178880), (1536, 170495), (1560, 167872), (1586, 165120), (1664, 157380), (1677, 156160), (1720, 152256), (1830, 143104), (1920, 136396), (1952, 134160), (2064, 126880), (2080, 125904), (2236, 117120), (2379, 110080), (2440, 107328), (2496, 104920), (2560, 102297), (2580, 101504), (2623, 99840), (2752, 95160), (2795, 93696), (2928, 89440), (3120, 83936), (3172, 82560), (3328, 78690), (3354, 78080), (3440, 76128), (3660, 71552), (3840, 68198), (3904, 67080), (3965, 66048), (4128, 63440), (4160, 62952), (4472, 58560), (4758, 55040), (4880, 53664), (4992, 52460), (5160, 50752), (5246, 49920), (5504, 47580), (5590, 46848), (5856, 44720), (6240, 41968), (6344, 41280), (6656, 39345), (6708, 39040), (6880, 38064), (7320, 35776), (7680, 34099), (7808, 33540), (7869, 33280), (7930, 33024), (8256, 31720), (8320, 31476), (8385, 31232), (8944, 29280), (9516, 27520), (9760, 26832), (9984, 26230), (10320, 25376), (10492, 24960), (11008, 23790), (11180, 23424), (11712, 22360), (11895, 22016), (12480, 20984), (12688, 20640), (13115, 19968), (13416, 19520), (13760, 19032), (14640, 17888), (15616, 16770), (15738, 16640), (15860, 16512)]