77980320

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{547}}^1$

素因数の和:585

約数の個数: 240

約数和(自身を含む): 300773088

約数和(自身を除く): 222792768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 162, 165, 176, 180, 198, 216, 220, 240, 264, 270, 288, 297, 324, 330, 352, 360, 396, 405, 432, 440, 480, 495, 528, 540, 547, 594, 648, 660, 720, 792, 810, 864, 880, 891, 990, 1056, 1080, 1094, 1188, 1296, 1320, 1440, 1485, 1584, 1620, 1641, 1760, 1782, 1980, 2160, 2188, 2376, 2592, 2640, 2735, 2970, 3168, 3240, 3282, 3564, 3960, 4320, 4376, 4455, 4752, 4923, 5280, 5470, 5940, 6017, 6480, 6564, 7128, 7920, 8205, 8752, 8910, 9504, 9846, 10940, 11880, 12034, 12960, 13128, 14256, 14769, 15840, 16410, 17504, 17820, 18051, 19692, 21880, 23760, 24068, 24615, 26256, 28512, 29538, 30085, 32820, 35640, 36102, 39384, 43760, 44307, 47520, 48136, 49230, 52512, 54153, 59076, 60170, 65640, 71280, 72204, 73845, 78768, 87520, 88614, 90255, 96272, 98460, 108306, 118152, 120340, 131280, 142560, 144408, 147690, 157536, 162459, 177228, 180510, 192544, 196920, 216612, 221535, 236304, 240680, 262560, 270765, 288816, 295380, 324918, 354456, 361020, 393840, 433224, 443070, 472608, 481360, 487377, 541530, 577632, 590760, 649836, 708912, 722040, 787680, 812295, 866448, 886140, 962720, 974754, 1083060, 1181520, 1299672, 1417824, 1444080, 1624590, 1732896, 1772280, 1949508, 2166120, 2363040, 2436885, 2599344, 2888160, 3249180, 3544560, 3899016, 4332240, 4873770, 5198688, 6498360, 7089120, 7798032, 8664480, 9747540, 12996720, 15596064, 19495080, 25993440, 38990160, 77980320]

約数ペア:

[(1, 77980320), (2, 38990160), (3, 25993440), (4, 19495080), (5, 15596064), (6, 12996720), (8, 9747540), (9, 8664480), (10, 7798032), (11, 7089120), (12, 6498360), (15, 5198688), (16, 4873770), (18, 4332240), (20, 3899016), (22, 3544560), (24, 3249180), (27, 2888160), (30, 2599344), (32, 2436885), (33, 2363040), (36, 2166120), (40, 1949508), (44, 1772280), (45, 1732896), (48, 1624590), (54, 1444080), (55, 1417824), (60, 1299672), (66, 1181520), (72, 1083060), (80, 974754), (81, 962720), (88, 886140), (90, 866448), (96, 812295), (99, 787680), (108, 722040), (110, 708912), (120, 649836), (132, 590760), (135, 577632), (144, 541530), (160, 487377), (162, 481360), (165, 472608), (176, 443070), (180, 433224), (198, 393840), (216, 361020), (220, 354456), (240, 324918), (264, 295380), (270, 288816), (288, 270765), (297, 262560), (324, 240680), (330, 236304), (352, 221535), (360, 216612), (396, 196920), (405, 192544), (432, 180510), (440, 177228), (480, 162459), (495, 157536), (528, 147690), (540, 144408), (547, 142560), (594, 131280), (648, 120340), (660, 118152), (720, 108306), (792, 98460), (810, 96272), (864, 90255), (880, 88614), (891, 87520), (990, 78768), (1056, 73845), (1080, 72204), (1094, 71280), (1188, 65640), (1296, 60170), (1320, 59076), (1440, 54153), (1485, 52512), (1584, 49230), (1620, 48136), (1641, 47520), (1760, 44307), (1782, 43760), (1980, 39384), (2160, 36102), (2188, 35640), (2376, 32820), (2592, 30085), (2640, 29538), (2735, 28512), (2970, 26256), (3168, 24615), (3240, 24068), (3282, 23760), (3564, 21880), (3960, 19692), (4320, 18051), (4376, 17820), (4455, 17504), (4752, 16410), (4923, 15840), (5280, 14769), (5470, 14256), (5940, 13128), (6017, 12960), (6480, 12034), (6564, 11880), (7128, 10940), (7920, 9846), (8205, 9504), (8752, 8910)]