1278840000

素因数分解:

$2^6\times 3^1\times 5^4\times {\mathrm{10657}}^1$

素因数の和:10692

約数の個数: 140

約数和(自身を含む): 4228540184

約数和(自身を除く): 2949700184

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, 150, 160, 192, 200, 240, 250, 300, 320, 375, 400, 480, 500, 600, 625, 750, 800, 960, 1000, 1200, 1250, 1500, 1600, 1875, 2000, 2400, 2500, 3000, 3750, 4000, 4800, 5000, 6000, 7500, 8000, 10000, 10657, 12000, 15000, 20000, 21314, 24000, 30000, 31971, 40000, 42628, 53285, 60000, 63942, 85256, 106570, 120000, 127884, 159855, 170512, 213140, 255768, 266425, 319710, 341024, 426280, 511536, 532850, 639420, 682048, 799275, 852560, 1023072, 1065700, 1278840, 1332125, 1598550, 1705120, 2046144, 2131400, 2557680, 2664250, 3197100, 3410240, 3996375, 4262800, 5115360, 5328500, 6394200, 6660625, 7992750, 8525600, 10230720, 10657000, 12788400, 13321250, 15985500, 17051200, 19981875, 21314000, 25576800, 26642500, 31971000, 39963750, 42628000, 51153600, 53285000, 63942000, 79927500, 85256000, 106570000, 127884000, 159855000, 213140000, 255768000, 319710000, 426280000, 639420000, 1278840000]

約数ペア:

[(1, 1278840000), (2, 639420000), (3, 426280000), (4, 319710000), (5, 255768000), (6, 213140000), (8, 159855000), (10, 127884000), (12, 106570000), (15, 85256000), (16, 79927500), (20, 63942000), (24, 53285000), (25, 51153600), (30, 42628000), (32, 39963750), (40, 31971000), (48, 26642500), (50, 25576800), (60, 21314000), (64, 19981875), (75, 17051200), (80, 15985500), (96, 13321250), (100, 12788400), (120, 10657000), (125, 10230720), (150, 8525600), (160, 7992750), (192, 6660625), (200, 6394200), (240, 5328500), (250, 5115360), (300, 4262800), (320, 3996375), (375, 3410240), (400, 3197100), (480, 2664250), (500, 2557680), (600, 2131400), (625, 2046144), (750, 1705120), (800, 1598550), (960, 1332125), (1000, 1278840), (1200, 1065700), (1250, 1023072), (1500, 852560), (1600, 799275), (1875, 682048), (2000, 639420), (2400, 532850), (2500, 511536), (3000, 426280), (3750, 341024), (4000, 319710), (4800, 266425), (5000, 255768), (6000, 213140), (7500, 170512), (8000, 159855), (10000, 127884), (10657, 120000), (12000, 106570), (15000, 85256), (20000, 63942), (21314, 60000), (24000, 53285), (30000, 42628), (31971, 40000)]