8212172800

素因数分解:

$2^{12}\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:277

約数の個数: 312

約数和(自身を含む): 22751321600

約数和(自身を除く): 14539148800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 128, 130, 155, 160, 199, 200, 208, 248, 256, 260, 310, 320, 325, 398, 400, 403, 416, 496, 512, 520, 620, 640, 650, 775, 796, 800, 806, 832, 992, 995, 1024, 1040, 1240, 1280, 1300, 1550, 1592, 1600, 1612, 1664, 1984, 1990, 2015, 2048, 2080, 2480, 2560, 2587, 2600, 3100, 3184, 3200, 3224, 3328, 3968, 3980, 4030, 4096, 4160, 4960, 4975, 5120, 5174, 5200, 6169, 6200, 6368, 6400, 6448, 6656, 7936, 7960, 8060, 8320, 9920, 9950, 10075, 10240, 10348, 10400, 12338, 12400, 12736, 12800, 12896, 12935, 13312, 15872, 15920, 16120, 16640, 19840, 19900, 20150, 20480, 20696, 20800, 24676, 24800, 25472, 25600, 25792, 25870, 26624, 30845, 31744, 31840, 32240, 33280, 39680, 39800, 40300, 41392, 41600, 49352, 49600, 50944, 51200, 51584, 51740, 53248, 61690, 63488, 63680, 64480, 64675, 66560, 79360, 79600, 80197, 80600, 82784, 83200, 98704, 99200, 101888, 102400, 103168, 103480, 123380, 126976, 127360, 128960, 129350, 133120, 154225, 158720, 159200, 160394, 161200, 165568, 166400, 197408, 198400, 203776, 206336, 206960, 246760, 254720, 257920, 258700, 266240, 308450, 317440, 318400, 320788, 322400, 331136, 332800, 394816, 396800, 400985, 407552, 412672, 413920, 493520, 509440, 515840, 517400, 616900, 634880, 636800, 641576, 644800, 662272, 665600, 789632, 793600, 801970, 815104, 825344, 827840, 987040, 1018880, 1031680, 1034800, 1233800, 1273600, 1283152, 1289600, 1324544, 1331200, 1579264, 1587200, 1603940, 1650688, 1655680, 1974080, 2004925, 2037760, 2063360, 2069600, 2467600, 2547200, 2566304, 2579200, 2649088, 3158528, 3174400, 3207880, 3311360, 3948160, 4009850, 4075520, 4126720, 4139200, 4935200, 5094400, 5132608, 5158400, 5298176, 6317056, 6415760, 6622720, 7896320, 8019700, 8253440, 8278400, 9870400, 10188800, 10265216, 10316800, 10596352, 12634112, 12831520, 13245440, 15792640, 16039400, 16556800, 19740800, 20377600, 20530432, 20633600, 25268224, 25663040, 26490880, 31585280, 32078800, 33113600, 39481600, 41060864, 41267200, 51326080, 52981760, 63170560, 64157600, 66227200, 78963200, 82121728, 102652160, 126341120, 128315200, 132454400, 157926400, 164243456, 205304320, 256630400, 264908800, 315852800, 328486912, 410608640, 513260800, 631705600, 821217280, 1026521600, 1642434560, 2053043200, 4106086400, 8212172800]

約数ペア:

[(1, 8212172800), (2, 4106086400), (4, 2053043200), (5, 1642434560), (8, 1026521600), (10, 821217280), (13, 631705600), (16, 513260800), (20, 410608640), (25, 328486912), (26, 315852800), (31, 264908800), (32, 256630400), (40, 205304320), (50, 164243456), (52, 157926400), (62, 132454400), (64, 128315200), (65, 126341120), (80, 102652160), (100, 82121728), (104, 78963200), (124, 66227200), (128, 64157600), (130, 63170560), (155, 52981760), (160, 51326080), (199, 41267200), (200, 41060864), (208, 39481600), (248, 33113600), (256, 32078800), (260, 31585280), (310, 26490880), (320, 25663040), (325, 25268224), (398, 20633600), (400, 20530432), (403, 20377600), (416, 19740800), (496, 16556800), (512, 16039400), (520, 15792640), (620, 13245440), (640, 12831520), (650, 12634112), (775, 10596352), (796, 10316800), (800, 10265216), (806, 10188800), (832, 9870400), (992, 8278400), (995, 8253440), (1024, 8019700), (1040, 7896320), (1240, 6622720), (1280, 6415760), (1300, 6317056), (1550, 5298176), (1592, 5158400), (1600, 5132608), (1612, 5094400), (1664, 4935200), (1984, 4139200), (1990, 4126720), (2015, 4075520), (2048, 4009850), (2080, 3948160), (2480, 3311360), (2560, 3207880), (2587, 3174400), (2600, 3158528), (3100, 2649088), (3184, 2579200), (3200, 2566304), (3224, 2547200), (3328, 2467600), (3968, 2069600), (3980, 2063360), (4030, 2037760), (4096, 2004925), (4160, 1974080), (4960, 1655680), (4975, 1650688), (5120, 1603940), (5174, 1587200), (5200, 1579264), (6169, 1331200), (6200, 1324544), (6368, 1289600), (6400, 1283152), (6448, 1273600), (6656, 1233800), (7936, 1034800), (7960, 1031680), (8060, 1018880), (8320, 987040), (9920, 827840), (9950, 825344), (10075, 815104), (10240, 801970), (10348, 793600), (10400, 789632), (12338, 665600), (12400, 662272), (12736, 644800), (12800, 641576), (12896, 636800), (12935, 634880), (13312, 616900), (15872, 517400), (15920, 515840), (16120, 509440), (16640, 493520), (19840, 413920), (19900, 412672), (20150, 407552), (20480, 400985), (20696, 396800), (20800, 394816), (24676, 332800), (24800, 331136), (25472, 322400), (25600, 320788), (25792, 318400), (25870, 317440), (26624, 308450), (30845, 266240), (31744, 258700), (31840, 257920), (32240, 254720), (33280, 246760), (39680, 206960), (39800, 206336), (40300, 203776), (41392, 198400), (41600, 197408), (49352, 166400), (49600, 165568), (50944, 161200), (51200, 160394), (51584, 159200), (51740, 158720), (53248, 154225), (61690, 133120), (63488, 129350), (63680, 128960), (64480, 127360), (64675, 126976), (66560, 123380), (79360, 103480), (79600, 103168), (80197, 102400), (80600, 101888), (82784, 99200), (83200, 98704)]