18964800

素因数分解:

$2^6\times 3^3\times 5^2\times {\mathrm{439}}^1$

素因数の和:470

約数の個数: 168

約数和(自身を含む): 69291200

約数和(自身を除く): 50326400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 90, 96, 100, 108, 120, 135, 144, 150, 160, 180, 192, 200, 216, 225, 240, 270, 288, 300, 320, 360, 400, 432, 439, 450, 480, 540, 576, 600, 675, 720, 800, 864, 878, 900, 960, 1080, 1200, 1317, 1350, 1440, 1600, 1728, 1756, 1800, 2160, 2195, 2400, 2634, 2700, 2880, 3512, 3600, 3951, 4320, 4390, 4800, 5268, 5400, 6585, 7024, 7200, 7902, 8640, 8780, 10536, 10800, 10975, 11853, 13170, 14048, 14400, 15804, 17560, 19755, 21072, 21600, 21950, 23706, 26340, 28096, 31608, 32925, 35120, 39510, 42144, 43200, 43900, 47412, 52680, 59265, 63216, 65850, 70240, 79020, 84288, 87800, 94824, 98775, 105360, 118530, 126432, 131700, 140480, 158040, 175600, 189648, 197550, 210720, 237060, 252864, 263400, 296325, 316080, 351200, 379296, 395100, 421440, 474120, 526800, 592650, 632160, 702400, 758592, 790200, 948240, 1053600, 1185300, 1264320, 1580400, 1896480, 2107200, 2370600, 3160800, 3792960, 4741200, 6321600, 9482400, 18964800]

約数ペア:

[(1, 18964800), (2, 9482400), (3, 6321600), (4, 4741200), (5, 3792960), (6, 3160800), (8, 2370600), (9, 2107200), (10, 1896480), (12, 1580400), (15, 1264320), (16, 1185300), (18, 1053600), (20, 948240), (24, 790200), (25, 758592), (27, 702400), (30, 632160), (32, 592650), (36, 526800), (40, 474120), (45, 421440), (48, 395100), (50, 379296), (54, 351200), (60, 316080), (64, 296325), (72, 263400), (75, 252864), (80, 237060), (90, 210720), (96, 197550), (100, 189648), (108, 175600), (120, 158040), (135, 140480), (144, 131700), (150, 126432), (160, 118530), (180, 105360), (192, 98775), (200, 94824), (216, 87800), (225, 84288), (240, 79020), (270, 70240), (288, 65850), (300, 63216), (320, 59265), (360, 52680), (400, 47412), (432, 43900), (439, 43200), (450, 42144), (480, 39510), (540, 35120), (576, 32925), (600, 31608), (675, 28096), (720, 26340), (800, 23706), (864, 21950), (878, 21600), (900, 21072), (960, 19755), (1080, 17560), (1200, 15804), (1317, 14400), (1350, 14048), (1440, 13170), (1600, 11853), (1728, 10975), (1756, 10800), (1800, 10536), (2160, 8780), (2195, 8640), (2400, 7902), (2634, 7200), (2700, 7024), (2880, 6585), (3512, 5400), (3600, 5268), (3951, 4800), (4320, 4390)]