76800000

素因数分解:

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

素因数の和:54

約数の個数: 168

約数和(自身を含む): 255967992

約数和(自身を除く): 179167992

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, 625, 640, 750, 768, 800, 960, 1000, 1024, 1200, 1250, 1280, 1500, 1536, 1600, 1875, 1920, 2000, 2048, 2400, 2500, 2560, 3000, 3072, 3125, 3200, 3750, 3840, 4000, 4096, 4800, 5000, 5120, 6000, 6144, 6250, 6400, 7500, 7680, 8000, 8192, 9375, 9600, 10000, 10240, 12000, 12288, 12500, 12800, 15000, 15360, 16000, 18750, 19200, 20000, 20480, 24000, 24576, 25000, 25600, 30000, 30720, 32000, 37500, 38400, 40000, 40960, 48000, 50000, 51200, 60000, 61440, 64000, 75000, 76800, 80000, 96000, 100000, 102400, 120000, 122880, 128000, 150000, 153600, 160000, 192000, 200000, 204800, 240000, 256000, 300000, 307200, 320000, 384000, 400000, 480000, 512000, 600000, 614400, 640000, 768000, 800000, 960000, 1024000, 1200000, 1280000, 1536000, 1600000, 1920000, 2400000, 2560000, 3072000, 3200000, 3840000, 4800000, 5120000, 6400000, 7680000, 9600000, 12800000, 15360000, 19200000, 25600000, 38400000, 76800000]

約数ペア:

[(1, 76800000), (2, 38400000), (3, 25600000), (4, 19200000), (5, 15360000), (6, 12800000), (8, 9600000), (10, 7680000), (12, 6400000), (15, 5120000), (16, 4800000), (20, 3840000), (24, 3200000), (25, 3072000), (30, 2560000), (32, 2400000), (40, 1920000), (48, 1600000), (50, 1536000), (60, 1280000), (64, 1200000), (75, 1024000), (80, 960000), (96, 800000), (100, 768000), (120, 640000), (125, 614400), (128, 600000), (150, 512000), (160, 480000), (192, 400000), (200, 384000), (240, 320000), (250, 307200), (256, 300000), (300, 256000), (320, 240000), (375, 204800), (384, 200000), (400, 192000), (480, 160000), (500, 153600), (512, 150000), (600, 128000), (625, 122880), (640, 120000), (750, 102400), (768, 100000), (800, 96000), (960, 80000), (1000, 76800), (1024, 75000), (1200, 64000), (1250, 61440), (1280, 60000), (1500, 51200), (1536, 50000), (1600, 48000), (1875, 40960), (1920, 40000), (2000, 38400), (2048, 37500), (2400, 32000), (2500, 30720), (2560, 30000), (3000, 25600), (3072, 25000), (3125, 24576), (3200, 24000), (3750, 20480), (3840, 20000), (4000, 19200), (4096, 18750), (4800, 16000), (5000, 15360), (5120, 15000), (6000, 12800), (6144, 12500), (6250, 12288), (6400, 12000), (7500, 10240), (7680, 10000), (8000, 9600), (8192, 9375)]