81964800

素因数分解:

$2^8\times 3^2\times 5^2\times {\mathrm{1423}}^1$

素因数の和:1455

約数の個数: 162

約数和(自身を含む): 293248592

約数和(自身を除く): 211283792

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, 128, 144, 150, 160, 180, 192, 200, 225, 240, 256, 288, 300, 320, 360, 384, 400, 450, 480, 576, 600, 640, 720, 768, 800, 900, 960, 1152, 1200, 1280, 1423, 1440, 1600, 1800, 1920, 2304, 2400, 2846, 2880, 3200, 3600, 3840, 4269, 4800, 5692, 5760, 6400, 7115, 7200, 8538, 9600, 11384, 11520, 12807, 14230, 14400, 17076, 19200, 21345, 22768, 25614, 28460, 28800, 34152, 35575, 42690, 45536, 51228, 56920, 57600, 64035, 68304, 71150, 85380, 91072, 102456, 106725, 113840, 128070, 136608, 142300, 170760, 182144, 204912, 213450, 227680, 256140, 273216, 284600, 320175, 341520, 364288, 409824, 426900, 455360, 512280, 546432, 569200, 640350, 683040, 819648, 853800, 910720, 1024560, 1092864, 1138400, 1280700, 1366080, 1639296, 1707600, 1821440, 2049120, 2276800, 2561400, 2732160, 3278592, 3415200, 4098240, 4553600, 5122800, 5464320, 6830400, 8196480, 9107200, 10245600, 13660800, 16392960, 20491200, 27321600, 40982400, 81964800]

約数ペア:

[(1, 81964800), (2, 40982400), (3, 27321600), (4, 20491200), (5, 16392960), (6, 13660800), (8, 10245600), (9, 9107200), (10, 8196480), (12, 6830400), (15, 5464320), (16, 5122800), (18, 4553600), (20, 4098240), (24, 3415200), (25, 3278592), (30, 2732160), (32, 2561400), (36, 2276800), (40, 2049120), (45, 1821440), (48, 1707600), (50, 1639296), (60, 1366080), (64, 1280700), (72, 1138400), (75, 1092864), (80, 1024560), (90, 910720), (96, 853800), (100, 819648), (120, 683040), (128, 640350), (144, 569200), (150, 546432), (160, 512280), (180, 455360), (192, 426900), (200, 409824), (225, 364288), (240, 341520), (256, 320175), (288, 284600), (300, 273216), (320, 256140), (360, 227680), (384, 213450), (400, 204912), (450, 182144), (480, 170760), (576, 142300), (600, 136608), (640, 128070), (720, 113840), (768, 106725), (800, 102456), (900, 91072), (960, 85380), (1152, 71150), (1200, 68304), (1280, 64035), (1423, 57600), (1440, 56920), (1600, 51228), (1800, 45536), (1920, 42690), (2304, 35575), (2400, 34152), (2846, 28800), (2880, 28460), (3200, 25614), (3600, 22768), (3840, 21345), (4269, 19200), (4800, 17076), (5692, 14400), (5760, 14230), (6400, 12807), (7115, 11520), (7200, 11384), (8538, 9600)]