65538720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:429

約数の個数: 240

約数和(自身を含む): 249729480

約数和(自身を除く): 184190760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 324, 351, 360, 389, 390, 405, 416, 432, 468, 480, 520, 540, 585, 624, 648, 702, 720, 778, 780, 810, 864, 936, 1040, 1053, 1080, 1167, 1170, 1248, 1296, 1404, 1440, 1556, 1560, 1620, 1755, 1872, 1945, 2080, 2106, 2160, 2334, 2340, 2592, 2808, 3112, 3120, 3240, 3501, 3510, 3744, 3890, 4212, 4320, 4668, 4680, 5057, 5265, 5616, 5835, 6224, 6240, 6480, 7002, 7020, 7780, 8424, 9336, 9360, 10114, 10503, 10530, 11232, 11670, 12448, 12960, 14004, 14040, 15171, 15560, 16848, 17505, 18672, 18720, 20228, 21006, 21060, 23340, 25285, 28008, 28080, 30342, 31120, 31509, 33696, 35010, 37344, 40456, 42012, 42120, 45513, 46680, 50570, 52515, 56016, 56160, 60684, 62240, 63018, 70020, 75855, 80912, 84024, 84240, 91026, 93360, 101140, 105030, 112032, 121368, 126036, 136539, 140040, 151710, 157545, 161824, 168048, 168480, 182052, 186720, 202280, 210060, 227565, 242736, 252072, 273078, 280080, 303420, 315090, 336096, 364104, 404560, 409617, 420120, 455130, 485472, 504144, 546156, 560160, 606840, 630180, 682695, 728208, 809120, 819234, 840240, 910260, 1008288, 1092312, 1213680, 1260360, 1365390, 1456416, 1638468, 1680480, 1820520, 2048085, 2184624, 2427360, 2520720, 2730780, 3276936, 3641040, 4096170, 4369248, 5041440, 5461560, 6553872, 7282080, 8192340, 10923120, 13107744, 16384680, 21846240, 32769360, 65538720]

約数ペア:

[(1, 65538720), (2, 32769360), (3, 21846240), (4, 16384680), (5, 13107744), (6, 10923120), (8, 8192340), (9, 7282080), (10, 6553872), (12, 5461560), (13, 5041440), (15, 4369248), (16, 4096170), (18, 3641040), (20, 3276936), (24, 2730780), (26, 2520720), (27, 2427360), (30, 2184624), (32, 2048085), (36, 1820520), (39, 1680480), (40, 1638468), (45, 1456416), (48, 1365390), (52, 1260360), (54, 1213680), (60, 1092312), (65, 1008288), (72, 910260), (78, 840240), (80, 819234), (81, 809120), (90, 728208), (96, 682695), (104, 630180), (108, 606840), (117, 560160), (120, 546156), (130, 504144), (135, 485472), (144, 455130), (156, 420120), (160, 409617), (162, 404560), (180, 364104), (195, 336096), (208, 315090), (216, 303420), (234, 280080), (240, 273078), (260, 252072), (270, 242736), (288, 227565), (312, 210060), (324, 202280), (351, 186720), (360, 182052), (389, 168480), (390, 168048), (405, 161824), (416, 157545), (432, 151710), (468, 140040), (480, 136539), (520, 126036), (540, 121368), (585, 112032), (624, 105030), (648, 101140), (702, 93360), (720, 91026), (778, 84240), (780, 84024), (810, 80912), (864, 75855), (936, 70020), (1040, 63018), (1053, 62240), (1080, 60684), (1167, 56160), (1170, 56016), (1248, 52515), (1296, 50570), (1404, 46680), (1440, 45513), (1556, 42120), (1560, 42012), (1620, 40456), (1755, 37344), (1872, 35010), (1945, 33696), (2080, 31509), (2106, 31120), (2160, 30342), (2334, 28080), (2340, 28008), (2592, 25285), (2808, 23340), (3112, 21060), (3120, 21006), (3240, 20228), (3501, 18720), (3510, 18672), (3744, 17505), (3890, 16848), (4212, 15560), (4320, 15171), (4668, 14040), (4680, 14004), (5057, 12960), (5265, 12448), (5616, 11670), (5835, 11232), (6224, 10530), (6240, 10503), (6480, 10114), (7002, 9360), (7020, 9336), (7780, 8424)]