128790720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:447

約数の個数: 168

約数和(自身を含む): 447196464

約数和(自身を除く): 318405744

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 197, 227, 240, 288, 320, 360, 394, 454, 480, 576, 591, 681, 720, 788, 908, 960, 985, 1135, 1182, 1362, 1440, 1576, 1773, 1816, 1970, 2043, 2270, 2364, 2724, 2880, 2955, 3152, 3405, 3546, 3632, 3940, 4086, 4540, 4728, 5448, 5910, 6304, 6810, 7092, 7264, 7880, 8172, 8865, 9080, 9456, 10215, 10896, 11820, 12608, 13620, 14184, 14528, 15760, 16344, 17730, 18160, 18912, 20430, 21792, 23640, 27240, 28368, 31520, 32688, 35460, 36320, 37824, 40860, 43584, 44719, 47280, 54480, 56736, 63040, 65376, 70920, 72640, 81720, 89438, 94560, 108960, 113472, 130752, 134157, 141840, 163440, 178876, 189120, 217920, 223595, 268314, 283680, 326880, 357752, 402471, 447190, 536628, 567360, 653760, 670785, 715504, 804942, 894380, 1073256, 1341570, 1431008, 1609884, 1788760, 2012355, 2146512, 2683140, 2862016, 3219768, 3577520, 4024710, 4293024, 5366280, 6439536, 7155040, 8049420, 8586048, 10732560, 12879072, 14310080, 16098840, 21465120, 25758144, 32197680, 42930240, 64395360, 128790720]

約数ペア:

[(1, 128790720), (2, 64395360), (3, 42930240), (4, 32197680), (5, 25758144), (6, 21465120), (8, 16098840), (9, 14310080), (10, 12879072), (12, 10732560), (15, 8586048), (16, 8049420), (18, 7155040), (20, 6439536), (24, 5366280), (30, 4293024), (32, 4024710), (36, 3577520), (40, 3219768), (45, 2862016), (48, 2683140), (60, 2146512), (64, 2012355), (72, 1788760), (80, 1609884), (90, 1431008), (96, 1341570), (120, 1073256), (144, 894380), (160, 804942), (180, 715504), (192, 670785), (197, 653760), (227, 567360), (240, 536628), (288, 447190), (320, 402471), (360, 357752), (394, 326880), (454, 283680), (480, 268314), (576, 223595), (591, 217920), (681, 189120), (720, 178876), (788, 163440), (908, 141840), (960, 134157), (985, 130752), (1135, 113472), (1182, 108960), (1362, 94560), (1440, 89438), (1576, 81720), (1773, 72640), (1816, 70920), (1970, 65376), (2043, 63040), (2270, 56736), (2364, 54480), (2724, 47280), (2880, 44719), (2955, 43584), (3152, 40860), (3405, 37824), (3546, 36320), (3632, 35460), (3940, 32688), (4086, 31520), (4540, 28368), (4728, 27240), (5448, 23640), (5910, 21792), (6304, 20430), (6810, 18912), (7092, 18160), (7264, 17730), (7880, 16344), (8172, 15760), (8865, 14528), (9080, 14184), (9456, 13620), (10215, 12608), (10896, 11820)]