20448299520

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{80683}}^1$

素因数の和:80723

約数の個数: 240

約数和(自身を含む): 77257189152

約数和(自身を除く): 56808889632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 256, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 512, 528, 576, 640, 660, 704, 720, 768, 792, 880, 960, 990, 1056, 1152, 1280, 1320, 1408, 1440, 1536, 1584, 1760, 1920, 1980, 2112, 2304, 2560, 2640, 2816, 2880, 3168, 3520, 3840, 3960, 4224, 4608, 5280, 5632, 5760, 6336, 7040, 7680, 7920, 8448, 10560, 11520, 12672, 14080, 15840, 16896, 21120, 23040, 25344, 28160, 31680, 42240, 50688, 63360, 80683, 84480, 126720, 161366, 242049, 253440, 322732, 403415, 484098, 645464, 726147, 806830, 887513, 968196, 1210245, 1290928, 1452294, 1613660, 1775026, 1936392, 2420490, 2581856, 2662539, 2904588, 3227320, 3550052, 3630735, 3872784, 4437565, 4840980, 5163712, 5325078, 5809176, 6454640, 7100104, 7261470, 7745568, 7987617, 8875130, 9681960, 10327424, 10650156, 11618352, 12909280, 13312695, 14200208, 14522940, 15491136, 15975234, 17750260, 19363920, 20654848, 21300312, 23236704, 25818560, 26625390, 28400416, 29045880, 30982272, 31950468, 35500520, 38727840, 39938085, 41309696, 42600624, 46473408, 51637120, 53250780, 56800832, 58091760, 61964544, 63900936, 71001040, 77455680, 79876170, 85201248, 92946816, 103274240, 106501560, 113601664, 116183520, 123929088, 127801872, 142002080, 154911360, 159752340, 170402496, 185893632, 206548480, 213003120, 227203328, 232367040, 255603744, 284004160, 309822720, 319504680, 340804992, 371787264, 426006240, 454406656, 464734080, 511207488, 568008320, 619645440, 639009360, 681609984, 852012480, 929468160, 1022414976, 1136016640, 1278018720, 1363219968, 1704024960, 1858936320, 2044829952, 2272033280, 2556037440, 3408049920, 4089659904, 5112074880, 6816099840, 10224149760, 20448299520]

約数ペア:

[(1, 20448299520), (2, 10224149760), (3, 6816099840), (4, 5112074880), (5, 4089659904), (6, 3408049920), (8, 2556037440), (9, 2272033280), (10, 2044829952), (11, 1858936320), (12, 1704024960), (15, 1363219968), (16, 1278018720), (18, 1136016640), (20, 1022414976), (22, 929468160), (24, 852012480), (30, 681609984), (32, 639009360), (33, 619645440), (36, 568008320), (40, 511207488), (44, 464734080), (45, 454406656), (48, 426006240), (55, 371787264), (60, 340804992), (64, 319504680), (66, 309822720), (72, 284004160), (80, 255603744), (88, 232367040), (90, 227203328), (96, 213003120), (99, 206548480), (110, 185893632), (120, 170402496), (128, 159752340), (132, 154911360), (144, 142002080), (160, 127801872), (165, 123929088), (176, 116183520), (180, 113601664), (192, 106501560), (198, 103274240), (220, 92946816), (240, 85201248), (256, 79876170), (264, 77455680), (288, 71001040), (320, 63900936), (330, 61964544), (352, 58091760), (360, 56800832), (384, 53250780), (396, 51637120), (440, 46473408), (480, 42600624), (495, 41309696), (512, 39938085), (528, 38727840), (576, 35500520), (640, 31950468), (660, 30982272), (704, 29045880), (720, 28400416), (768, 26625390), (792, 25818560), (880, 23236704), (960, 21300312), (990, 20654848), (1056, 19363920), (1152, 17750260), (1280, 15975234), (1320, 15491136), (1408, 14522940), (1440, 14200208), (1536, 13312695), (1584, 12909280), (1760, 11618352), (1920, 10650156), (1980, 10327424), (2112, 9681960), (2304, 8875130), (2560, 7987617), (2640, 7745568), (2816, 7261470), (2880, 7100104), (3168, 6454640), (3520, 5809176), (3840, 5325078), (3960, 5163712), (4224, 4840980), (4608, 4437565), (5280, 3872784), (5632, 3630735), (5760, 3550052), (6336, 3227320), (7040, 2904588), (7680, 2662539), (7920, 2581856), (8448, 2420490), (10560, 1936392), (11520, 1775026), (12672, 1613660), (14080, 1452294), (15840, 1290928), (16896, 1210245), (21120, 968196), (23040, 887513), (25344, 806830), (28160, 726147), (31680, 645464), (42240, 484098), (50688, 403415), (63360, 322732), (80683, 253440), (84480, 242049), (126720, 161366)]