81054720

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{1759}}^1$

素因数の和:1790

約数の個数: 132

約数和(自身を含む): 281012160

約数和(自身を除く): 199957440

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, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1759, 1920, 2304, 2560, 2880, 3072, 3518, 3840, 4608, 5120, 5277, 5760, 7036, 7680, 8795, 9216, 10554, 11520, 14072, 15360, 15831, 17590, 21108, 23040, 26385, 28144, 31662, 35180, 42216, 46080, 52770, 56288, 63324, 70360, 79155, 84432, 105540, 112576, 126648, 140720, 158310, 168864, 211080, 225152, 253296, 281440, 316620, 337728, 422160, 450304, 506592, 562880, 633240, 675456, 844320, 900608, 1013184, 1125760, 1266480, 1350912, 1688640, 1801216, 2026368, 2251520, 2532960, 2701824, 3377280, 4052736, 4503040, 5065920, 5403648, 6754560, 8105472, 9006080, 10131840, 13509120, 16210944, 20263680, 27018240, 40527360, 81054720]

約数ペア:

[(1, 81054720), (2, 40527360), (3, 27018240), (4, 20263680), (5, 16210944), (6, 13509120), (8, 10131840), (9, 9006080), (10, 8105472), (12, 6754560), (15, 5403648), (16, 5065920), (18, 4503040), (20, 4052736), (24, 3377280), (30, 2701824), (32, 2532960), (36, 2251520), (40, 2026368), (45, 1801216), (48, 1688640), (60, 1350912), (64, 1266480), (72, 1125760), (80, 1013184), (90, 900608), (96, 844320), (120, 675456), (128, 633240), (144, 562880), (160, 506592), (180, 450304), (192, 422160), (240, 337728), (256, 316620), (288, 281440), (320, 253296), (360, 225152), (384, 211080), (480, 168864), (512, 158310), (576, 140720), (640, 126648), (720, 112576), (768, 105540), (960, 84432), (1024, 79155), (1152, 70360), (1280, 63324), (1440, 56288), (1536, 52770), (1759, 46080), (1920, 42216), (2304, 35180), (2560, 31662), (2880, 28144), (3072, 26385), (3518, 23040), (3840, 21108), (4608, 17590), (5120, 15831), (5277, 15360), (5760, 14072), (7036, 11520), (7680, 10554), (8795, 9216)]