479760000

素因数分解:

$2^7\times 3^1\times 5^4\times {\mathrm{1999}}^1$

素因数の和:2036

約数の個数: 160

約数和(自身を含む): 1593240000

約数和(自身を除く): 1113480000

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, 300, 320, 375, 384, 400, 480, 500, 600, 625, 640, 750, 800, 960, 1000, 1200, 1250, 1500, 1600, 1875, 1920, 1999, 2000, 2400, 2500, 3000, 3200, 3750, 3998, 4000, 4800, 5000, 5997, 6000, 7500, 7996, 8000, 9600, 9995, 10000, 11994, 12000, 15000, 15992, 16000, 19990, 20000, 23988, 24000, 29985, 30000, 31984, 39980, 40000, 47976, 48000, 49975, 59970, 60000, 63968, 79960, 80000, 95952, 99950, 119940, 120000, 127936, 149925, 159920, 191904, 199900, 239880, 240000, 249875, 255872, 299850, 319840, 383808, 399800, 479760, 499750, 599700, 639680, 749625, 767616, 799600, 959520, 999500, 1199400, 1249375, 1279360, 1499250, 1599200, 1919040, 1999000, 2398800, 2498750, 2998500, 3198400, 3748125, 3838080, 3998000, 4797600, 4997500, 5997000, 6396800, 7496250, 7996000, 9595200, 9995000, 11994000, 14992500, 15992000, 19190400, 19990000, 23988000, 29985000, 31984000, 39980000, 47976000, 59970000, 79960000, 95952000, 119940000, 159920000, 239880000, 479760000]

約数ペア:

[(1, 479760000), (2, 239880000), (3, 159920000), (4, 119940000), (5, 95952000), (6, 79960000), (8, 59970000), (10, 47976000), (12, 39980000), (15, 31984000), (16, 29985000), (20, 23988000), (24, 19990000), (25, 19190400), (30, 15992000), (32, 14992500), (40, 11994000), (48, 9995000), (50, 9595200), (60, 7996000), (64, 7496250), (75, 6396800), (80, 5997000), (96, 4997500), (100, 4797600), (120, 3998000), (125, 3838080), (128, 3748125), (150, 3198400), (160, 2998500), (192, 2498750), (200, 2398800), (240, 1999000), (250, 1919040), (300, 1599200), (320, 1499250), (375, 1279360), (384, 1249375), (400, 1199400), (480, 999500), (500, 959520), (600, 799600), (625, 767616), (640, 749625), (750, 639680), (800, 599700), (960, 499750), (1000, 479760), (1200, 399800), (1250, 383808), (1500, 319840), (1600, 299850), (1875, 255872), (1920, 249875), (1999, 240000), (2000, 239880), (2400, 199900), (2500, 191904), (3000, 159920), (3200, 149925), (3750, 127936), (3998, 120000), (4000, 119940), (4800, 99950), (5000, 95952), (5997, 80000), (6000, 79960), (7500, 63968), (7996, 60000), (8000, 59970), (9600, 49975), (9995, 48000), (10000, 47976), (11994, 40000), (12000, 39980), (15000, 31984), (15992, 30000), (16000, 29985), (19990, 24000), (20000, 23988)]