64395360

素因数分解:

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

素因数の和:445

約数の個数: 144

約数和(自身を含む): 221837616

約数和(自身を除く): 157442256

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, 72, 80, 90, 96, 120, 144, 160, 180, 197, 227, 240, 288, 360, 394, 454, 480, 591, 681, 720, 788, 908, 985, 1135, 1182, 1362, 1440, 1576, 1773, 1816, 1970, 2043, 2270, 2364, 2724, 2955, 3152, 3405, 3546, 3632, 3940, 4086, 4540, 4728, 5448, 5910, 6304, 6810, 7092, 7264, 7880, 8172, 8865, 9080, 9456, 10215, 10896, 11820, 13620, 14184, 15760, 16344, 17730, 18160, 18912, 20430, 21792, 23640, 27240, 28368, 31520, 32688, 35460, 36320, 40860, 44719, 47280, 54480, 56736, 65376, 70920, 81720, 89438, 94560, 108960, 134157, 141840, 163440, 178876, 223595, 268314, 283680, 326880, 357752, 402471, 447190, 536628, 670785, 715504, 804942, 894380, 1073256, 1341570, 1431008, 1609884, 1788760, 2012355, 2146512, 2683140, 3219768, 3577520, 4024710, 4293024, 5366280, 6439536, 7155040, 8049420, 10732560, 12879072, 16098840, 21465120, 32197680, 64395360]

約数ペア:

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