2742721280

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:487

約数の個数: 216

約数和(自身を含む): 7361343360

約数和(自身を除く): 4618622080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 169, 208, 248, 256, 260, 310, 320, 338, 403, 409, 416, 496, 520, 620, 640, 676, 806, 818, 832, 845, 992, 1040, 1240, 1280, 1352, 1612, 1636, 1664, 1690, 1984, 2015, 2045, 2080, 2480, 2704, 3224, 3272, 3328, 3380, 3968, 4030, 4090, 4160, 4960, 5239, 5317, 5408, 6448, 6544, 6760, 7936, 8060, 8180, 8320, 9920, 10478, 10634, 10816, 12679, 12896, 13088, 13520, 16120, 16360, 16640, 19840, 20956, 21268, 21632, 25358, 25792, 26176, 26195, 26585, 27040, 32240, 32720, 39680, 41912, 42536, 43264, 50716, 51584, 52352, 52390, 53170, 54080, 63395, 64480, 65440, 69121, 83824, 85072, 101432, 103168, 104704, 104780, 106340, 108160, 126790, 128960, 130880, 138242, 164827, 167648, 170144, 202864, 209560, 212680, 216320, 253580, 257920, 261760, 276484, 329654, 335296, 340288, 345605, 405728, 419120, 425360, 507160, 515840, 523520, 552968, 659308, 670592, 680576, 691210, 811456, 824135, 838240, 850720, 1014320, 1105936, 1318616, 1341184, 1361152, 1382420, 1622912, 1648270, 1676480, 1701440, 2028640, 2142751, 2211872, 2637232, 2764840, 3245824, 3296540, 3352960, 3402880, 4057280, 4285502, 4423744, 5274464, 5529680, 6593080, 6705920, 6805760, 8114560, 8571004, 8847488, 10548928, 10713755, 11059360, 13186160, 16229120, 17142008, 17694976, 21097856, 21427510, 22118720, 26372320, 34284016, 42195712, 42855020, 44237440, 52744640, 68568032, 85710040, 88474880, 105489280, 137136064, 171420080, 210978560, 274272128, 342840160, 548544256, 685680320, 1371360640, 2742721280]

約数ペア:

[(1, 2742721280), (2, 1371360640), (4, 685680320), (5, 548544256), (8, 342840160), (10, 274272128), (13, 210978560), (16, 171420080), (20, 137136064), (26, 105489280), (31, 88474880), (32, 85710040), (40, 68568032), (52, 52744640), (62, 44237440), (64, 42855020), (65, 42195712), (80, 34284016), (104, 26372320), (124, 22118720), (128, 21427510), (130, 21097856), (155, 17694976), (160, 17142008), (169, 16229120), (208, 13186160), (248, 11059360), (256, 10713755), (260, 10548928), (310, 8847488), (320, 8571004), (338, 8114560), (403, 6805760), (409, 6705920), (416, 6593080), (496, 5529680), (520, 5274464), (620, 4423744), (640, 4285502), (676, 4057280), (806, 3402880), (818, 3352960), (832, 3296540), (845, 3245824), (992, 2764840), (1040, 2637232), (1240, 2211872), (1280, 2142751), (1352, 2028640), (1612, 1701440), (1636, 1676480), (1664, 1648270), (1690, 1622912), (1984, 1382420), (2015, 1361152), (2045, 1341184), (2080, 1318616), (2480, 1105936), (2704, 1014320), (3224, 850720), (3272, 838240), (3328, 824135), (3380, 811456), (3968, 691210), (4030, 680576), (4090, 670592), (4160, 659308), (4960, 552968), (5239, 523520), (5317, 515840), (5408, 507160), (6448, 425360), (6544, 419120), (6760, 405728), (7936, 345605), (8060, 340288), (8180, 335296), (8320, 329654), (9920, 276484), (10478, 261760), (10634, 257920), (10816, 253580), (12679, 216320), (12896, 212680), (13088, 209560), (13520, 202864), (16120, 170144), (16360, 167648), (16640, 164827), (19840, 138242), (20956, 130880), (21268, 128960), (21632, 126790), (25358, 108160), (25792, 106340), (26176, 104780), (26195, 104704), (26585, 103168), (27040, 101432), (32240, 85072), (32720, 83824), (39680, 69121), (41912, 65440), (42536, 64480), (43264, 63395), (50716, 54080), (51584, 53170), (52352, 52390)]