1380480000

素因数分解:

$2^{10}\times 3^1\times 5^4\times {\mathrm{719}}^1$

素因数の和:762

約数の個数: 220

約数和(自身を含む): 4604276160

約数和(自身を除く): 3223796160

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, 719, 750, 768, 800, 960, 1000, 1024, 1200, 1250, 1280, 1438, 1500, 1536, 1600, 1875, 1920, 2000, 2157, 2400, 2500, 2560, 2876, 3000, 3072, 3200, 3595, 3750, 3840, 4000, 4314, 4800, 5000, 5120, 5752, 6000, 6400, 7190, 7500, 7680, 8000, 8628, 9600, 10000, 10785, 11504, 12000, 12800, 14380, 15000, 15360, 16000, 17256, 17975, 19200, 20000, 21570, 23008, 24000, 25600, 28760, 30000, 32000, 34512, 35950, 38400, 40000, 43140, 46016, 48000, 53925, 57520, 60000, 64000, 69024, 71900, 76800, 80000, 86280, 89875, 92032, 96000, 107850, 115040, 120000, 128000, 138048, 143800, 160000, 172560, 179750, 184064, 192000, 215700, 230080, 240000, 269625, 276096, 287600, 320000, 345120, 359500, 368128, 384000, 431400, 449375, 460160, 480000, 539250, 552192, 575200, 640000, 690240, 719000, 736256, 862800, 898750, 920320, 960000, 1078500, 1104384, 1150400, 1348125, 1380480, 1438000, 1725600, 1797500, 1840640, 1920000, 2157000, 2208768, 2300800, 2696250, 2760960, 2876000, 3451200, 3595000, 3681280, 4314000, 4601600, 5392500, 5521920, 5752000, 6902400, 7190000, 8628000, 9203200, 10785000, 11043840, 11504000, 13804800, 14380000, 17256000, 18406400, 21570000, 23008000, 27609600, 28760000, 34512000, 43140000, 46016000, 55219200, 57520000, 69024000, 86280000, 92032000, 115040000, 138048000, 172560000, 230080000, 276096000, 345120000, 460160000, 690240000, 1380480000]

約数ペア:

[(1, 1380480000), (2, 690240000), (3, 460160000), (4, 345120000), (5, 276096000), (6, 230080000), (8, 172560000), (10, 138048000), (12, 115040000), (15, 92032000), (16, 86280000), (20, 69024000), (24, 57520000), (25, 55219200), (30, 46016000), (32, 43140000), (40, 34512000), (48, 28760000), (50, 27609600), (60, 23008000), (64, 21570000), (75, 18406400), (80, 17256000), (96, 14380000), (100, 13804800), (120, 11504000), (125, 11043840), (128, 10785000), (150, 9203200), (160, 8628000), (192, 7190000), (200, 6902400), (240, 5752000), (250, 5521920), (256, 5392500), (300, 4601600), (320, 4314000), (375, 3681280), (384, 3595000), (400, 3451200), (480, 2876000), (500, 2760960), (512, 2696250), (600, 2300800), (625, 2208768), (640, 2157000), (719, 1920000), (750, 1840640), (768, 1797500), (800, 1725600), (960, 1438000), (1000, 1380480), (1024, 1348125), (1200, 1150400), (1250, 1104384), (1280, 1078500), (1438, 960000), (1500, 920320), (1536, 898750), (1600, 862800), (1875, 736256), (1920, 719000), (2000, 690240), (2157, 640000), (2400, 575200), (2500, 552192), (2560, 539250), (2876, 480000), (3000, 460160), (3072, 449375), (3200, 431400), (3595, 384000), (3750, 368128), (3840, 359500), (4000, 345120), (4314, 320000), (4800, 287600), (5000, 276096), (5120, 269625), (5752, 240000), (6000, 230080), (6400, 215700), (7190, 192000), (7500, 184064), (7680, 179750), (8000, 172560), (8628, 160000), (9600, 143800), (10000, 138048), (10785, 128000), (11504, 120000), (12000, 115040), (12800, 107850), (14380, 96000), (15000, 92032), (15360, 89875), (16000, 86280), (17256, 80000), (17975, 76800), (19200, 71900), (20000, 69024), (21570, 64000), (23008, 60000), (24000, 57520), (25600, 53925), (28760, 48000), (30000, 46016), (32000, 43140), (34512, 40000), (35950, 38400)]