20491200

素因数分解:

$2^6\times 3^2\times 5^2\times {\mathrm{1423}}^1$

素因数の和:1451

約数の個数: 126

約数和(自身を含む): 72881744

約数和(自身を除く): 52390544

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 144, 150, 160, 180, 192, 200, 225, 240, 288, 300, 320, 360, 400, 450, 480, 576, 600, 720, 800, 900, 960, 1200, 1423, 1440, 1600, 1800, 2400, 2846, 2880, 3600, 4269, 4800, 5692, 7115, 7200, 8538, 11384, 12807, 14230, 14400, 17076, 21345, 22768, 25614, 28460, 34152, 35575, 42690, 45536, 51228, 56920, 64035, 68304, 71150, 85380, 91072, 102456, 106725, 113840, 128070, 136608, 142300, 170760, 204912, 213450, 227680, 256140, 273216, 284600, 320175, 341520, 409824, 426900, 455360, 512280, 569200, 640350, 683040, 819648, 853800, 1024560, 1138400, 1280700, 1366080, 1707600, 2049120, 2276800, 2561400, 3415200, 4098240, 5122800, 6830400, 10245600, 20491200]

約数ペア:

[(1, 20491200), (2, 10245600), (3, 6830400), (4, 5122800), (5, 4098240), (6, 3415200), (8, 2561400), (9, 2276800), (10, 2049120), (12, 1707600), (15, 1366080), (16, 1280700), (18, 1138400), (20, 1024560), (24, 853800), (25, 819648), (30, 683040), (32, 640350), (36, 569200), (40, 512280), (45, 455360), (48, 426900), (50, 409824), (60, 341520), (64, 320175), (72, 284600), (75, 273216), (80, 256140), (90, 227680), (96, 213450), (100, 204912), (120, 170760), (144, 142300), (150, 136608), (160, 128070), (180, 113840), (192, 106725), (200, 102456), (225, 91072), (240, 85380), (288, 71150), (300, 68304), (320, 64035), (360, 56920), (400, 51228), (450, 45536), (480, 42690), (576, 35575), (600, 34152), (720, 28460), (800, 25614), (900, 22768), (960, 21345), (1200, 17076), (1423, 14400), (1440, 14230), (1600, 12807), (1800, 11384), (2400, 8538), (2846, 7200), (2880, 7115), (3600, 5692), (4269, 4800)]