638976000

素因数分解:

$2^{17}\times 3^1\times 5^3\times {\mathrm{13}}^1$

素因数の和:65

約数の個数: 288

約数和(自身を含む): 2290081248

約数和(自身を除く): 1651105248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 64, 65, 75, 78, 80, 96, 100, 104, 120, 125, 128, 130, 150, 156, 160, 192, 195, 200, 208, 240, 250, 256, 260, 300, 312, 320, 325, 375, 384, 390, 400, 416, 480, 500, 512, 520, 600, 624, 640, 650, 750, 768, 780, 800, 832, 960, 975, 1000, 1024, 1040, 1200, 1248, 1280, 1300, 1500, 1536, 1560, 1600, 1625, 1664, 1920, 1950, 2000, 2048, 2080, 2400, 2496, 2560, 2600, 3000, 3072, 3120, 3200, 3250, 3328, 3840, 3900, 4000, 4096, 4160, 4800, 4875, 4992, 5120, 5200, 6000, 6144, 6240, 6400, 6500, 6656, 7680, 7800, 8000, 8192, 8320, 9600, 9750, 9984, 10240, 10400, 12000, 12288, 12480, 12800, 13000, 13312, 15360, 15600, 16000, 16384, 16640, 19200, 19500, 19968, 20480, 20800, 24000, 24576, 24960, 25600, 26000, 26624, 30720, 31200, 32000, 32768, 33280, 38400, 39000, 39936, 40960, 41600, 48000, 49152, 49920, 51200, 52000, 53248, 61440, 62400, 64000, 65536, 66560, 76800, 78000, 79872, 81920, 83200, 96000, 98304, 99840, 102400, 104000, 106496, 122880, 124800, 128000, 131072, 133120, 153600, 156000, 159744, 163840, 166400, 192000, 196608, 199680, 204800, 208000, 212992, 245760, 249600, 256000, 266240, 307200, 312000, 319488, 327680, 332800, 384000, 393216, 399360, 409600, 416000, 425984, 491520, 499200, 512000, 532480, 614400, 624000, 638976, 655360, 665600, 768000, 798720, 819200, 832000, 851968, 983040, 998400, 1024000, 1064960, 1228800, 1248000, 1277952, 1331200, 1536000, 1597440, 1638400, 1664000, 1703936, 1966080, 1996800, 2048000, 2129920, 2457600, 2496000, 2555904, 2662400, 3072000, 3194880, 3276800, 3328000, 3993600, 4096000, 4259840, 4915200, 4992000, 5111808, 5324800, 6144000, 6389760, 6656000, 7987200, 8192000, 8519680, 9830400, 9984000, 10649600, 12288000, 12779520, 13312000, 15974400, 16384000, 19968000, 21299200, 24576000, 25559040, 26624000, 31948800, 39936000, 42598400, 49152000, 53248000, 63897600, 79872000, 106496000, 127795200, 159744000, 212992000, 319488000, 638976000]

約数ペア:

[(1, 638976000), (2, 319488000), (3, 212992000), (4, 159744000), (5, 127795200), (6, 106496000), (8, 79872000), (10, 63897600), (12, 53248000), (13, 49152000), (15, 42598400), (16, 39936000), (20, 31948800), (24, 26624000), (25, 25559040), (26, 24576000), (30, 21299200), (32, 19968000), (39, 16384000), (40, 15974400), (48, 13312000), (50, 12779520), (52, 12288000), (60, 10649600), (64, 9984000), (65, 9830400), (75, 8519680), (78, 8192000), (80, 7987200), (96, 6656000), (100, 6389760), (104, 6144000), (120, 5324800), (125, 5111808), (128, 4992000), (130, 4915200), (150, 4259840), (156, 4096000), (160, 3993600), (192, 3328000), (195, 3276800), (200, 3194880), (208, 3072000), (240, 2662400), (250, 2555904), (256, 2496000), (260, 2457600), (300, 2129920), (312, 2048000), (320, 1996800), (325, 1966080), (375, 1703936), (384, 1664000), (390, 1638400), (400, 1597440), (416, 1536000), (480, 1331200), (500, 1277952), (512, 1248000), (520, 1228800), (600, 1064960), (624, 1024000), (640, 998400), (650, 983040), (750, 851968), (768, 832000), (780, 819200), (800, 798720), (832, 768000), (960, 665600), (975, 655360), (1000, 638976), (1024, 624000), (1040, 614400), (1200, 532480), (1248, 512000), (1280, 499200), (1300, 491520), (1500, 425984), (1536, 416000), (1560, 409600), (1600, 399360), (1625, 393216), (1664, 384000), (1920, 332800), (1950, 327680), (2000, 319488), (2048, 312000), (2080, 307200), (2400, 266240), (2496, 256000), (2560, 249600), (2600, 245760), (3000, 212992), (3072, 208000), (3120, 204800), (3200, 199680), (3250, 196608), (3328, 192000), (3840, 166400), (3900, 163840), (4000, 159744), (4096, 156000), (4160, 153600), (4800, 133120), (4875, 131072), (4992, 128000), (5120, 124800), (5200, 122880), (6000, 106496), (6144, 104000), (6240, 102400), (6400, 99840), (6500, 98304), (6656, 96000), (7680, 83200), (7800, 81920), (8000, 79872), (8192, 78000), (8320, 76800), (9600, 66560), (9750, 65536), (9984, 64000), (10240, 62400), (10400, 61440), (12000, 53248), (12288, 52000), (12480, 51200), (12800, 49920), (13000, 49152), (13312, 48000), (15360, 41600), (15600, 40960), (16000, 39936), (16384, 39000), (16640, 38400), (19200, 33280), (19500, 32768), (19968, 32000), (20480, 31200), (20800, 30720), (24000, 26624), (24576, 26000), (24960, 25600)]