51131520

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1$

素因数の和:308

約数の個数: 256

約数和(自身を含む): 198288000

約数和(自身を除く): 147156480

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, 64, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 128, 132, 135, 144, 160, 165, 176, 180, 192, 198, 216, 220, 240, 264, 269, 270, 288, 297, 320, 330, 352, 360, 384, 396, 432, 440, 480, 495, 528, 538, 540, 576, 594, 640, 660, 704, 720, 792, 807, 864, 880, 960, 990, 1056, 1076, 1080, 1152, 1188, 1320, 1345, 1408, 1440, 1485, 1584, 1614, 1728, 1760, 1920, 1980, 2112, 2152, 2160, 2376, 2421, 2640, 2690, 2880, 2959, 2970, 3168, 3228, 3456, 3520, 3960, 4035, 4224, 4304, 4320, 4752, 4842, 5280, 5380, 5760, 5918, 5940, 6336, 6456, 7040, 7263, 7920, 8070, 8608, 8640, 8877, 9504, 9684, 10560, 10760, 11836, 11880, 12105, 12672, 12912, 14526, 14795, 15840, 16140, 17216, 17280, 17754, 19008, 19368, 21120, 21520, 23672, 23760, 24210, 25824, 26631, 29052, 29590, 31680, 32280, 34432, 35508, 36315, 38016, 38736, 43040, 44385, 47344, 47520, 48420, 51648, 53262, 58104, 59180, 63360, 64560, 71016, 72630, 77472, 79893, 86080, 88770, 94688, 95040, 96840, 103296, 106524, 116208, 118360, 129120, 133155, 142032, 145260, 154944, 159786, 172160, 177540, 189376, 190080, 193680, 213048, 232416, 236720, 258240, 266310, 284064, 290520, 309888, 319572, 355080, 378752, 387360, 399465, 426096, 464832, 473440, 516480, 532620, 568128, 581040, 639144, 710160, 774720, 798930, 852192, 929664, 946880, 1065240, 1136256, 1162080, 1278288, 1420320, 1549440, 1597860, 1704384, 1893760, 2130480, 2324160, 2556576, 2840640, 3195720, 3408768, 4260960, 4648320, 5113152, 5681280, 6391440, 8521920, 10226304, 12782880, 17043840, 25565760, 51131520]

約数ペア:

[(1, 51131520), (2, 25565760), (3, 17043840), (4, 12782880), (5, 10226304), (6, 8521920), (8, 6391440), (9, 5681280), (10, 5113152), (11, 4648320), (12, 4260960), (15, 3408768), (16, 3195720), (18, 2840640), (20, 2556576), (22, 2324160), (24, 2130480), (27, 1893760), (30, 1704384), (32, 1597860), (33, 1549440), (36, 1420320), (40, 1278288), (44, 1162080), (45, 1136256), (48, 1065240), (54, 946880), (55, 929664), (60, 852192), (64, 798930), (66, 774720), (72, 710160), (80, 639144), (88, 581040), (90, 568128), (96, 532620), (99, 516480), (108, 473440), (110, 464832), (120, 426096), (128, 399465), (132, 387360), (135, 378752), (144, 355080), (160, 319572), (165, 309888), (176, 290520), (180, 284064), (192, 266310), (198, 258240), (216, 236720), (220, 232416), (240, 213048), (264, 193680), (269, 190080), (270, 189376), (288, 177540), (297, 172160), (320, 159786), (330, 154944), (352, 145260), (360, 142032), (384, 133155), (396, 129120), (432, 118360), (440, 116208), (480, 106524), (495, 103296), (528, 96840), (538, 95040), (540, 94688), (576, 88770), (594, 86080), (640, 79893), (660, 77472), (704, 72630), (720, 71016), (792, 64560), (807, 63360), (864, 59180), (880, 58104), (960, 53262), (990, 51648), (1056, 48420), (1076, 47520), (1080, 47344), (1152, 44385), (1188, 43040), (1320, 38736), (1345, 38016), (1408, 36315), (1440, 35508), (1485, 34432), (1584, 32280), (1614, 31680), (1728, 29590), (1760, 29052), (1920, 26631), (1980, 25824), (2112, 24210), (2152, 23760), (2160, 23672), (2376, 21520), (2421, 21120), (2640, 19368), (2690, 19008), (2880, 17754), (2959, 17280), (2970, 17216), (3168, 16140), (3228, 15840), (3456, 14795), (3520, 14526), (3960, 12912), (4035, 12672), (4224, 12105), (4304, 11880), (4320, 11836), (4752, 10760), (4842, 10560), (5280, 9684), (5380, 9504), (5760, 8877), (5918, 8640), (5940, 8608), (6336, 8070), (6456, 7920), (7040, 7263)]