81120000

素因数分解:

$2^8\times 3^1\times 5^4\times {\mathrm{13}}^2$

素因数の和:65

約数の個数: 270

約数和(自身を含む): 292134612

約数和(自身を除く): 211014612

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, 169, 192, 195, 200, 208, 240, 250, 256, 260, 300, 312, 320, 325, 338, 375, 384, 390, 400, 416, 480, 500, 507, 520, 600, 624, 625, 640, 650, 676, 750, 768, 780, 800, 832, 845, 960, 975, 1000, 1014, 1040, 1200, 1248, 1250, 1280, 1300, 1352, 1500, 1560, 1600, 1625, 1664, 1690, 1875, 1920, 1950, 2000, 2028, 2080, 2400, 2496, 2500, 2535, 2600, 2704, 3000, 3120, 3200, 3250, 3328, 3380, 3750, 3840, 3900, 4000, 4056, 4160, 4225, 4800, 4875, 4992, 5000, 5070, 5200, 5408, 6000, 6240, 6400, 6500, 6760, 7500, 7800, 8000, 8112, 8125, 8320, 8450, 9600, 9750, 9984, 10000, 10140, 10400, 10816, 12000, 12480, 12675, 13000, 13520, 15000, 15600, 16000, 16224, 16250, 16640, 16900, 19200, 19500, 20000, 20280, 20800, 21125, 21632, 24000, 24375, 24960, 25350, 26000, 27040, 30000, 31200, 32000, 32448, 32500, 33800, 39000, 40000, 40560, 41600, 42250, 43264, 48000, 48750, 49920, 50700, 52000, 54080, 60000, 62400, 63375, 64896, 65000, 67600, 78000, 80000, 81120, 83200, 84500, 96000, 97500, 101400, 104000, 105625, 108160, 120000, 124800, 126750, 129792, 130000, 135200, 156000, 160000, 162240, 169000, 195000, 202800, 208000, 211250, 216320, 240000, 249600, 253500, 260000, 270400, 312000, 316875, 324480, 338000, 390000, 405600, 416000, 422500, 480000, 507000, 520000, 540800, 624000, 633750, 648960, 676000, 780000, 811200, 845000, 1014000, 1040000, 1081600, 1248000, 1267500, 1352000, 1560000, 1622400, 1690000, 2028000, 2080000, 2535000, 2704000, 3120000, 3244800, 3380000, 4056000, 5070000, 5408000, 6240000, 6760000, 8112000, 10140000, 13520000, 16224000, 20280000, 27040000, 40560000, 81120000]

約数ペア:

[(1, 81120000), (2, 40560000), (3, 27040000), (4, 20280000), (5, 16224000), (6, 13520000), (8, 10140000), (10, 8112000), (12, 6760000), (13, 6240000), (15, 5408000), (16, 5070000), (20, 4056000), (24, 3380000), (25, 3244800), (26, 3120000), (30, 2704000), (32, 2535000), (39, 2080000), (40, 2028000), (48, 1690000), (50, 1622400), (52, 1560000), (60, 1352000), (64, 1267500), (65, 1248000), (75, 1081600), (78, 1040000), (80, 1014000), (96, 845000), (100, 811200), (104, 780000), (120, 676000), (125, 648960), (128, 633750), (130, 624000), (150, 540800), (156, 520000), (160, 507000), (169, 480000), (192, 422500), (195, 416000), (200, 405600), (208, 390000), (240, 338000), (250, 324480), (256, 316875), (260, 312000), (300, 270400), (312, 260000), (320, 253500), (325, 249600), (338, 240000), (375, 216320), (384, 211250), (390, 208000), (400, 202800), (416, 195000), (480, 169000), (500, 162240), (507, 160000), (520, 156000), (600, 135200), (624, 130000), (625, 129792), (640, 126750), (650, 124800), (676, 120000), (750, 108160), (768, 105625), (780, 104000), (800, 101400), (832, 97500), (845, 96000), (960, 84500), (975, 83200), (1000, 81120), (1014, 80000), (1040, 78000), (1200, 67600), (1248, 65000), (1250, 64896), (1280, 63375), (1300, 62400), (1352, 60000), (1500, 54080), (1560, 52000), (1600, 50700), (1625, 49920), (1664, 48750), (1690, 48000), (1875, 43264), (1920, 42250), (1950, 41600), (2000, 40560), (2028, 40000), (2080, 39000), (2400, 33800), (2496, 32500), (2500, 32448), (2535, 32000), (2600, 31200), (2704, 30000), (3000, 27040), (3120, 26000), (3200, 25350), (3250, 24960), (3328, 24375), (3380, 24000), (3750, 21632), (3840, 21125), (3900, 20800), (4000, 20280), (4056, 20000), (4160, 19500), (4225, 19200), (4800, 16900), (4875, 16640), (4992, 16250), (5000, 16224), (5070, 16000), (5200, 15600), (5408, 15000), (6000, 13520), (6240, 13000), (6400, 12675), (6500, 12480), (6760, 12000), (7500, 10816), (7800, 10400), (8000, 10140), (8112, 10000), (8125, 9984), (8320, 9750), (8450, 9600)]