77280480

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:183

約数の個数: 240

約数和(自身を含む): 279916560

約数和(自身を除く): 202636080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 67, 72, 80, 81, 89, 90, 96, 108, 120, 134, 135, 144, 160, 162, 178, 180, 201, 216, 240, 267, 268, 270, 288, 324, 335, 356, 360, 402, 405, 432, 445, 480, 534, 536, 540, 603, 648, 670, 712, 720, 801, 804, 810, 864, 890, 1005, 1068, 1072, 1080, 1206, 1296, 1335, 1340, 1424, 1440, 1602, 1608, 1620, 1780, 1809, 2010, 2136, 2144, 2160, 2403, 2412, 2592, 2670, 2680, 2848, 3015, 3204, 3216, 3240, 3560, 3618, 4005, 4020, 4272, 4320, 4806, 4824, 5340, 5360, 5427, 5963, 6030, 6408, 6432, 6480, 7120, 7209, 7236, 8010, 8040, 8544, 9045, 9612, 9648, 10680, 10720, 10854, 11926, 12015, 12060, 12816, 12960, 14240, 14418, 14472, 16020, 16080, 17889, 18090, 19224, 19296, 21360, 21708, 23852, 24030, 24120, 25632, 27135, 28836, 28944, 29815, 32040, 32160, 35778, 36045, 36180, 38448, 42720, 43416, 47704, 48060, 48240, 53667, 54270, 57672, 57888, 59630, 64080, 71556, 72090, 72360, 76896, 86832, 89445, 95408, 96120, 96480, 107334, 108540, 115344, 119260, 128160, 143112, 144180, 144720, 161001, 173664, 178890, 190816, 192240, 214668, 217080, 230688, 238520, 268335, 286224, 288360, 289440, 322002, 357780, 384480, 429336, 434160, 477040, 483003, 536670, 572448, 576720, 644004, 715560, 805005, 858672, 868320, 954080, 966006, 1073340, 1153440, 1288008, 1431120, 1610010, 1717344, 1932012, 2146680, 2415015, 2576016, 2862240, 3220020, 3864024, 4293360, 4830030, 5152032, 6440040, 7728048, 8586720, 9660060, 12880080, 15456096, 19320120, 25760160, 38640240, 77280480]

約数ペア:

[(1, 77280480), (2, 38640240), (3, 25760160), (4, 19320120), (5, 15456096), (6, 12880080), (8, 9660060), (9, 8586720), (10, 7728048), (12, 6440040), (15, 5152032), (16, 4830030), (18, 4293360), (20, 3864024), (24, 3220020), (27, 2862240), (30, 2576016), (32, 2415015), (36, 2146680), (40, 1932012), (45, 1717344), (48, 1610010), (54, 1431120), (60, 1288008), (67, 1153440), (72, 1073340), (80, 966006), (81, 954080), (89, 868320), (90, 858672), (96, 805005), (108, 715560), (120, 644004), (134, 576720), (135, 572448), (144, 536670), (160, 483003), (162, 477040), (178, 434160), (180, 429336), (201, 384480), (216, 357780), (240, 322002), (267, 289440), (268, 288360), (270, 286224), (288, 268335), (324, 238520), (335, 230688), (356, 217080), (360, 214668), (402, 192240), (405, 190816), (432, 178890), (445, 173664), (480, 161001), (534, 144720), (536, 144180), (540, 143112), (603, 128160), (648, 119260), (670, 115344), (712, 108540), (720, 107334), (801, 96480), (804, 96120), (810, 95408), (864, 89445), (890, 86832), (1005, 76896), (1068, 72360), (1072, 72090), (1080, 71556), (1206, 64080), (1296, 59630), (1335, 57888), (1340, 57672), (1424, 54270), (1440, 53667), (1602, 48240), (1608, 48060), (1620, 47704), (1780, 43416), (1809, 42720), (2010, 38448), (2136, 36180), (2144, 36045), (2160, 35778), (2403, 32160), (2412, 32040), (2592, 29815), (2670, 28944), (2680, 28836), (2848, 27135), (3015, 25632), (3204, 24120), (3216, 24030), (3240, 23852), (3560, 21708), (3618, 21360), (4005, 19296), (4020, 19224), (4272, 18090), (4320, 17889), (4806, 16080), (4824, 16020), (5340, 14472), (5360, 14418), (5427, 14240), (5963, 12960), (6030, 12816), (6408, 12060), (6432, 12015), (6480, 11926), (7120, 10854), (7209, 10720), (7236, 10680), (8010, 9648), (8040, 9612), (8544, 9045)]