20451329280

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1373}}^1$

素因数の和:1834

約数の個数: 288

約数和(自身を含む): 72795179520

約数和(自身を除く): 52343850240

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, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 431, 432, 480, 540, 576, 640, 720, 768, 862, 864, 960, 1080, 1152, 1280, 1293, 1373, 1440, 1724, 1728, 1920, 2155, 2160, 2304, 2586, 2746, 2880, 3448, 3456, 3840, 3879, 4119, 4310, 4320, 5172, 5492, 5760, 6465, 6865, 6896, 6912, 7758, 8238, 8620, 8640, 10344, 10984, 11520, 11637, 12357, 12930, 13730, 13792, 15516, 16476, 17240, 17280, 19395, 20595, 20688, 21968, 23274, 24714, 25860, 27460, 27584, 31032, 32952, 34480, 34560, 37071, 38790, 41190, 41376, 43936, 46548, 49428, 51720, 54920, 55168, 58185, 61785, 62064, 65904, 68960, 74142, 77580, 82380, 82752, 87872, 93096, 98856, 103440, 109840, 110336, 116370, 123570, 124128, 131808, 137920, 148284, 155160, 164760, 165504, 175744, 185355, 186192, 197712, 206880, 219680, 232740, 247140, 248256, 263616, 275840, 296568, 310320, 329520, 331008, 351488, 370710, 372384, 395424, 413760, 439360, 465480, 494280, 496512, 527232, 551680, 591763, 593136, 620640, 659040, 741420, 744768, 790848, 827520, 878720, 930960, 988560, 993024, 1054464, 1183526, 1186272, 1241280, 1318080, 1482840, 1489536, 1581696, 1655040, 1757440, 1775289, 1861920, 1977120, 2367052, 2372544, 2482560, 2636160, 2958815, 2965680, 2979072, 3163392, 3550578, 3723840, 3954240, 4734104, 4745088, 4965120, 5272320, 5325867, 5917630, 5931360, 7101156, 7447680, 7908480, 8876445, 9468208, 9490176, 10651734, 11835260, 11862720, 14202312, 14895360, 15816960, 15977601, 17752890, 18936416, 21303468, 23670520, 23725440, 26629335, 28404624, 31955202, 35505780, 37872832, 42606936, 47341040, 47450880, 53258670, 56809248, 63910404, 71011560, 75745664, 79888005, 85213872, 94682080, 106517340, 113618496, 127820808, 142023120, 151491328, 159776010, 170427744, 189364160, 213034680, 227236992, 255641616, 284046240, 319552020, 340855488, 378728320, 426069360, 454473984, 511283232, 568092480, 639104040, 681710976, 757456640, 852138720, 1022566464, 1136184960, 1278208080, 1363421952, 1704277440, 2045132928, 2272369920, 2556416160, 3408554880, 4090265856, 5112832320, 6817109760, 10225664640, 20451329280]

約数ペア:

[(1, 20451329280), (2, 10225664640), (3, 6817109760), (4, 5112832320), (5, 4090265856), (6, 3408554880), (8, 2556416160), (9, 2272369920), (10, 2045132928), (12, 1704277440), (15, 1363421952), (16, 1278208080), (18, 1136184960), (20, 1022566464), (24, 852138720), (27, 757456640), (30, 681710976), (32, 639104040), (36, 568092480), (40, 511283232), (45, 454473984), (48, 426069360), (54, 378728320), (60, 340855488), (64, 319552020), (72, 284046240), (80, 255641616), (90, 227236992), (96, 213034680), (108, 189364160), (120, 170427744), (128, 159776010), (135, 151491328), (144, 142023120), (160, 127820808), (180, 113618496), (192, 106517340), (216, 94682080), (240, 85213872), (256, 79888005), (270, 75745664), (288, 71011560), (320, 63910404), (360, 56809248), (384, 53258670), (431, 47450880), (432, 47341040), (480, 42606936), (540, 37872832), (576, 35505780), (640, 31955202), (720, 28404624), (768, 26629335), (862, 23725440), (864, 23670520), (960, 21303468), (1080, 18936416), (1152, 17752890), (1280, 15977601), (1293, 15816960), (1373, 14895360), (1440, 14202312), (1724, 11862720), (1728, 11835260), (1920, 10651734), (2155, 9490176), (2160, 9468208), (2304, 8876445), (2586, 7908480), (2746, 7447680), (2880, 7101156), (3448, 5931360), (3456, 5917630), (3840, 5325867), (3879, 5272320), (4119, 4965120), (4310, 4745088), (4320, 4734104), (5172, 3954240), (5492, 3723840), (5760, 3550578), (6465, 3163392), (6865, 2979072), (6896, 2965680), (6912, 2958815), (7758, 2636160), (8238, 2482560), (8620, 2372544), (8640, 2367052), (10344, 1977120), (10984, 1861920), (11520, 1775289), (11637, 1757440), (12357, 1655040), (12930, 1581696), (13730, 1489536), (13792, 1482840), (15516, 1318080), (16476, 1241280), (17240, 1186272), (17280, 1183526), (19395, 1054464), (20595, 993024), (20688, 988560), (21968, 930960), (23274, 878720), (24714, 827520), (25860, 790848), (27460, 744768), (27584, 741420), (31032, 659040), (32952, 620640), (34480, 593136), (34560, 591763), (37071, 551680), (38790, 527232), (41190, 496512), (41376, 494280), (43936, 465480), (46548, 439360), (49428, 413760), (51720, 395424), (54920, 372384), (55168, 370710), (58185, 351488), (61785, 331008), (62064, 329520), (65904, 310320), (68960, 296568), (74142, 275840), (77580, 263616), (82380, 248256), (82752, 247140), (87872, 232740), (93096, 219680), (98856, 206880), (103440, 197712), (109840, 186192), (110336, 185355), (116370, 175744), (123570, 165504), (124128, 164760), (131808, 155160), (137920, 148284)]