1287278720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:124

約数の個数: 384

約数和(自身を含む): 4083851520

約数和(自身を除く): 2796572800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 31, 32, 35, 40, 46, 52, 56, 62, 64, 65, 70, 80, 91, 92, 104, 112, 115, 124, 128, 130, 140, 155, 160, 161, 182, 184, 208, 217, 224, 230, 248, 260, 280, 299, 310, 320, 322, 364, 368, 403, 416, 434, 448, 455, 460, 496, 520, 560, 598, 620, 640, 644, 713, 728, 736, 805, 806, 832, 868, 896, 910, 920, 961, 992, 1040, 1085, 1120, 1196, 1240, 1288, 1426, 1456, 1472, 1495, 1610, 1612, 1664, 1736, 1820, 1840, 1922, 1984, 2015, 2080, 2093, 2170, 2240, 2392, 2480, 2576, 2821, 2852, 2912, 2944, 2990, 3220, 3224, 3472, 3565, 3640, 3680, 3844, 3968, 4030, 4160, 4186, 4340, 4480, 4784, 4805, 4960, 4991, 5152, 5642, 5704, 5824, 5980, 6440, 6448, 6727, 6944, 7130, 7280, 7360, 7688, 8060, 8320, 8372, 8680, 9269, 9568, 9610, 9920, 9982, 10304, 10465, 11284, 11408, 11648, 11960, 12493, 12880, 12896, 13454, 13888, 14105, 14260, 14560, 14720, 15376, 16120, 16744, 17360, 18538, 19136, 19220, 19840, 19964, 20608, 20930, 22103, 22568, 22816, 23920, 24955, 24986, 25760, 25792, 26908, 27776, 28210, 28520, 29120, 30752, 32240, 33488, 33635, 34720, 37076, 38272, 38440, 39928, 41860, 44206, 45136, 45632, 46345, 47840, 49910, 49972, 51520, 51584, 53816, 56420, 57040, 58240, 61504, 62465, 64480, 64883, 66976, 67270, 69440, 74152, 76880, 79856, 83720, 87451, 88412, 90272, 91264, 92690, 95680, 99820, 99944, 103040, 107632, 110515, 112840, 114080, 123008, 124930, 128960, 129766, 133952, 134540, 138880, 148304, 153760, 154721, 159712, 167440, 174902, 176824, 180544, 185380, 191360, 199640, 199888, 215264, 221030, 225680, 228160, 249860, 257920, 259532, 267904, 269080, 287339, 296608, 307520, 309442, 319424, 324415, 334880, 349804, 353648, 361088, 370760, 399280, 399776, 430528, 437255, 442060, 451360, 456320, 499720, 519064, 538160, 574678, 593216, 615040, 618884, 638848, 648830, 669760, 699608, 707296, 741520, 773605, 798560, 799552, 861056, 874510, 884120, 902720, 999440, 1038128, 1076320, 1149356, 1186432, 1237768, 1297660, 1339520, 1399216, 1414592, 1436695, 1483040, 1547210, 1597120, 1599104, 1749020, 1768240, 1805440, 1998880, 2011373, 2076256, 2152640, 2298712, 2475536, 2595320, 2798432, 2829184, 2873390, 2966080, 3094420, 3194240, 3498040, 3536480, 3997760, 4022746, 4152512, 4305280, 4597424, 4951072, 5190640, 5596864, 5746780, 5932160, 6188840, 6996080, 7072960, 7995520, 8045492, 8305024, 9194848, 9902144, 10056865, 10381280, 11193728, 11493560, 12377680, 13992160, 14145920, 16090984, 18389696, 19804288, 20113730, 20762560, 22987120, 24755360, 27984320, 32181968, 36779392, 40227460, 41525120, 45974240, 49510720, 55968640, 64363936, 80454920, 91948480, 99021440, 128727872, 160909840, 183896960, 257455744, 321819680, 643639360, 1287278720]

約数ペア:

[(1, 1287278720), (2, 643639360), (4, 321819680), (5, 257455744), (7, 183896960), (8, 160909840), (10, 128727872), (13, 99021440), (14, 91948480), (16, 80454920), (20, 64363936), (23, 55968640), (26, 49510720), (28, 45974240), (31, 41525120), (32, 40227460), (35, 36779392), (40, 32181968), (46, 27984320), (52, 24755360), (56, 22987120), (62, 20762560), (64, 20113730), (65, 19804288), (70, 18389696), (80, 16090984), (91, 14145920), (92, 13992160), (104, 12377680), (112, 11493560), (115, 11193728), (124, 10381280), (128, 10056865), (130, 9902144), (140, 9194848), (155, 8305024), (160, 8045492), (161, 7995520), (182, 7072960), (184, 6996080), (208, 6188840), (217, 5932160), (224, 5746780), (230, 5596864), (248, 5190640), (260, 4951072), (280, 4597424), (299, 4305280), (310, 4152512), (320, 4022746), (322, 3997760), (364, 3536480), (368, 3498040), (403, 3194240), (416, 3094420), (434, 2966080), (448, 2873390), (455, 2829184), (460, 2798432), (496, 2595320), (520, 2475536), (560, 2298712), (598, 2152640), (620, 2076256), (640, 2011373), (644, 1998880), (713, 1805440), (728, 1768240), (736, 1749020), (805, 1599104), (806, 1597120), (832, 1547210), (868, 1483040), (896, 1436695), (910, 1414592), (920, 1399216), (961, 1339520), (992, 1297660), (1040, 1237768), (1085, 1186432), (1120, 1149356), (1196, 1076320), (1240, 1038128), (1288, 999440), (1426, 902720), (1456, 884120), (1472, 874510), (1495, 861056), (1610, 799552), (1612, 798560), (1664, 773605), (1736, 741520), (1820, 707296), (1840, 699608), (1922, 669760), (1984, 648830), (2015, 638848), (2080, 618884), (2093, 615040), (2170, 593216), (2240, 574678), (2392, 538160), (2480, 519064), (2576, 499720), (2821, 456320), (2852, 451360), (2912, 442060), (2944, 437255), (2990, 430528), (3220, 399776), (3224, 399280), (3472, 370760), (3565, 361088), (3640, 353648), (3680, 349804), (3844, 334880), (3968, 324415), (4030, 319424), (4160, 309442), (4186, 307520), (4340, 296608), (4480, 287339), (4784, 269080), (4805, 267904), (4960, 259532), (4991, 257920), (5152, 249860), (5642, 228160), (5704, 225680), (5824, 221030), (5980, 215264), (6440, 199888), (6448, 199640), (6727, 191360), (6944, 185380), (7130, 180544), (7280, 176824), (7360, 174902), (7688, 167440), (8060, 159712), (8320, 154721), (8372, 153760), (8680, 148304), (9269, 138880), (9568, 134540), (9610, 133952), (9920, 129766), (9982, 128960), (10304, 124930), (10465, 123008), (11284, 114080), (11408, 112840), (11648, 110515), (11960, 107632), (12493, 103040), (12880, 99944), (12896, 99820), (13454, 95680), (13888, 92690), (14105, 91264), (14260, 90272), (14560, 88412), (14720, 87451), (15376, 83720), (16120, 79856), (16744, 76880), (17360, 74152), (18538, 69440), (19136, 67270), (19220, 66976), (19840, 64883), (19964, 64480), (20608, 62465), (20930, 61504), (22103, 58240), (22568, 57040), (22816, 56420), (23920, 53816), (24955, 51584), (24986, 51520), (25760, 49972), (25792, 49910), (26908, 47840), (27776, 46345), (28210, 45632), (28520, 45136), (29120, 44206), (30752, 41860), (32240, 39928), (33488, 38440), (33635, 38272), (34720, 37076)]