81494400

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{653}}^1$

素因数の和:693

約数の個数: 192

約数和(自身を含む): 289512720

約数和(自身を除く): 208018320

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, 128, 130, 150, 156, 160, 192, 195, 200, 208, 240, 260, 300, 312, 320, 325, 384, 390, 400, 416, 480, 520, 600, 624, 640, 650, 653, 780, 800, 832, 960, 975, 1040, 1200, 1248, 1300, 1306, 1560, 1600, 1664, 1920, 1950, 1959, 2080, 2400, 2496, 2600, 2612, 3120, 3200, 3265, 3900, 3918, 4160, 4800, 4992, 5200, 5224, 6240, 6530, 7800, 7836, 8320, 8489, 9600, 9795, 10400, 10448, 12480, 13060, 15600, 15672, 16325, 16978, 19590, 20800, 20896, 24960, 25467, 26120, 31200, 31344, 32650, 33956, 39180, 41600, 41792, 42445, 48975, 50934, 52240, 62400, 62688, 65300, 67912, 78360, 83584, 84890, 97950, 101868, 104480, 124800, 125376, 127335, 130600, 135824, 156720, 169780, 195900, 203736, 208960, 212225, 250752, 254670, 261200, 271648, 313440, 339560, 391800, 407472, 417920, 424450, 509340, 522400, 543296, 626880, 636675, 679120, 783600, 814944, 848900, 1018680, 1044800, 1086592, 1253760, 1273350, 1358240, 1567200, 1629888, 1697800, 2037360, 2089600, 2546700, 2716480, 3134400, 3259776, 3395600, 4074720, 5093400, 5432960, 6268800, 6791200, 8149440, 10186800, 13582400, 16298880, 20373600, 27164800, 40747200, 81494400]

約数ペア:

[(1, 81494400), (2, 40747200), (3, 27164800), (4, 20373600), (5, 16298880), (6, 13582400), (8, 10186800), (10, 8149440), (12, 6791200), (13, 6268800), (15, 5432960), (16, 5093400), (20, 4074720), (24, 3395600), (25, 3259776), (26, 3134400), (30, 2716480), (32, 2546700), (39, 2089600), (40, 2037360), (48, 1697800), (50, 1629888), (52, 1567200), (60, 1358240), (64, 1273350), (65, 1253760), (75, 1086592), (78, 1044800), (80, 1018680), (96, 848900), (100, 814944), (104, 783600), (120, 679120), (128, 636675), (130, 626880), (150, 543296), (156, 522400), (160, 509340), (192, 424450), (195, 417920), (200, 407472), (208, 391800), (240, 339560), (260, 313440), (300, 271648), (312, 261200), (320, 254670), (325, 250752), (384, 212225), (390, 208960), (400, 203736), (416, 195900), (480, 169780), (520, 156720), (600, 135824), (624, 130600), (640, 127335), (650, 125376), (653, 124800), (780, 104480), (800, 101868), (832, 97950), (960, 84890), (975, 83584), (1040, 78360), (1200, 67912), (1248, 65300), (1300, 62688), (1306, 62400), (1560, 52240), (1600, 50934), (1664, 48975), (1920, 42445), (1950, 41792), (1959, 41600), (2080, 39180), (2400, 33956), (2496, 32650), (2600, 31344), (2612, 31200), (3120, 26120), (3200, 25467), (3265, 24960), (3900, 20896), (3918, 20800), (4160, 19590), (4800, 16978), (4992, 16325), (5200, 15672), (5224, 15600), (6240, 13060), (6530, 12480), (7800, 10448), (7836, 10400), (8320, 9795), (8489, 9600)]