639168000

素因数分解:

$2^9\times 3^1\times 5^3\times {\mathrm{3329}}^1$

素因数の和:3365

約数の個数: 160

約数和(自身を含む): 2125712160

約数和(自身を除く): 1486544160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 125, 128, 150, 160, 192, 200, 240, 250, 256, 300, 320, 375, 384, 400, 480, 500, 512, 600, 640, 750, 768, 800, 960, 1000, 1200, 1280, 1500, 1536, 1600, 1920, 2000, 2400, 2560, 3000, 3200, 3329, 3840, 4000, 4800, 6000, 6400, 6658, 7680, 8000, 9600, 9987, 12000, 12800, 13316, 16000, 16645, 19200, 19974, 24000, 26632, 32000, 33290, 38400, 39948, 48000, 49935, 53264, 64000, 66580, 79896, 83225, 96000, 99870, 106528, 133160, 159792, 166450, 192000, 199740, 213056, 249675, 266320, 319584, 332900, 399480, 416125, 426112, 499350, 532640, 639168, 665800, 798960, 832250, 852224, 998700, 1065280, 1248375, 1278336, 1331600, 1597920, 1664500, 1704448, 1997400, 2130560, 2496750, 2556672, 2663200, 3195840, 3329000, 3994800, 4261120, 4993500, 5113344, 5326400, 6391680, 6658000, 7989600, 8522240, 9987000, 10652800, 12783360, 13316000, 15979200, 19974000, 21305600, 25566720, 26632000, 31958400, 39948000, 42611200, 53264000, 63916800, 79896000, 106528000, 127833600, 159792000, 213056000, 319584000, 639168000]

約数ペア:

[(1, 639168000), (2, 319584000), (3, 213056000), (4, 159792000), (5, 127833600), (6, 106528000), (8, 79896000), (10, 63916800), (12, 53264000), (15, 42611200), (16, 39948000), (20, 31958400), (24, 26632000), (25, 25566720), (30, 21305600), (32, 19974000), (40, 15979200), (48, 13316000), (50, 12783360), (60, 10652800), (64, 9987000), (75, 8522240), (80, 7989600), (96, 6658000), (100, 6391680), (120, 5326400), (125, 5113344), (128, 4993500), (150, 4261120), (160, 3994800), (192, 3329000), (200, 3195840), (240, 2663200), (250, 2556672), (256, 2496750), (300, 2130560), (320, 1997400), (375, 1704448), (384, 1664500), (400, 1597920), (480, 1331600), (500, 1278336), (512, 1248375), (600, 1065280), (640, 998700), (750, 852224), (768, 832250), (800, 798960), (960, 665800), (1000, 639168), (1200, 532640), (1280, 499350), (1500, 426112), (1536, 416125), (1600, 399480), (1920, 332900), (2000, 319584), (2400, 266320), (2560, 249675), (3000, 213056), (3200, 199740), (3329, 192000), (3840, 166450), (4000, 159792), (4800, 133160), (6000, 106528), (6400, 99870), (6658, 96000), (7680, 83225), (8000, 79896), (9600, 66580), (9987, 64000), (12000, 53264), (12800, 49935), (13316, 48000), (16000, 39948), (16645, 38400), (19200, 33290), (19974, 32000), (24000, 26632)]