21070039680

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1223}}^1$

素因数の和:2248

約数の個数: 256

約数和(自身を含む): 74758982400

約数和(自身を除く): 53688942720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 997, 1080, 1152, 1223, 1440, 1728, 1920, 1994, 2160, 2446, 2880, 2991, 3456, 3669, 3988, 4320, 4892, 4985, 5760, 5982, 6115, 7338, 7976, 8640, 8973, 9784, 9970, 11007, 11964, 12230, 14676, 14955, 15952, 17280, 17946, 18345, 19568, 19940, 22014, 23928, 24460, 26919, 29352, 29910, 31904, 33021, 35892, 36690, 39136, 39880, 44028, 44865, 47856, 48920, 53838, 55035, 58704, 59820, 63808, 66042, 71784, 73380, 78272, 79760, 88056, 89730, 95712, 97840, 107676, 110070, 117408, 119640, 127616, 132084, 134595, 143568, 146760, 156544, 159520, 165105, 176112, 179460, 191424, 195680, 215352, 220140, 234816, 239280, 264168, 269190, 287136, 293520, 319040, 330210, 352224, 358920, 382848, 391360, 430704, 440280, 469632, 478560, 528336, 538380, 574272, 587040, 638080, 660420, 704448, 717840, 782720, 861408, 880560, 957120, 1056672, 1076760, 1148544, 1174080, 1219331, 1320840, 1408896, 1435680, 1722816, 1761120, 1914240, 2113344, 2153520, 2348160, 2438662, 2641680, 2871360, 3445632, 3522240, 3657993, 4226688, 4307040, 4877324, 5283360, 5742720, 6096655, 7044480, 7315986, 8614080, 9754648, 10566720, 10973979, 12193310, 14631972, 17228160, 18289965, 19509296, 21133440, 21947958, 24386620, 29263944, 32921937, 36579930, 39018592, 43895916, 48773240, 54869895, 58527888, 65843874, 73159860, 78037184, 87791832, 97546480, 109739790, 117055776, 131687748, 146319720, 156074368, 164609685, 175583664, 195092960, 219479580, 234111552, 263375496, 292639440, 329219370, 351167328, 390185920, 438959160, 468223104, 526750992, 585278880, 658438740, 702334656, 780371840, 877918320, 1053501984, 1170557760, 1316877480, 1404669312, 1755836640, 2107003968, 2341115520, 2633754960, 3511673280, 4214007936, 5267509920, 7023346560, 10535019840, 21070039680]

約数ペア:

[(1, 21070039680), (2, 10535019840), (3, 7023346560), (4, 5267509920), (5, 4214007936), (6, 3511673280), (8, 2633754960), (9, 2341115520), (10, 2107003968), (12, 1755836640), (15, 1404669312), (16, 1316877480), (18, 1170557760), (20, 1053501984), (24, 877918320), (27, 780371840), (30, 702334656), (32, 658438740), (36, 585278880), (40, 526750992), (45, 468223104), (48, 438959160), (54, 390185920), (60, 351167328), (64, 329219370), (72, 292639440), (80, 263375496), (90, 234111552), (96, 219479580), (108, 195092960), (120, 175583664), (128, 164609685), (135, 156074368), (144, 146319720), (160, 131687748), (180, 117055776), (192, 109739790), (216, 97546480), (240, 87791832), (270, 78037184), (288, 73159860), (320, 65843874), (360, 58527888), (384, 54869895), (432, 48773240), (480, 43895916), (540, 39018592), (576, 36579930), (640, 32921937), (720, 29263944), (864, 24386620), (960, 21947958), (997, 21133440), (1080, 19509296), (1152, 18289965), (1223, 17228160), (1440, 14631972), (1728, 12193310), (1920, 10973979), (1994, 10566720), (2160, 9754648), (2446, 8614080), (2880, 7315986), (2991, 7044480), (3456, 6096655), (3669, 5742720), (3988, 5283360), (4320, 4877324), (4892, 4307040), (4985, 4226688), (5760, 3657993), (5982, 3522240), (6115, 3445632), (7338, 2871360), (7976, 2641680), (8640, 2438662), (8973, 2348160), (9784, 2153520), (9970, 2113344), (11007, 1914240), (11964, 1761120), (12230, 1722816), (14676, 1435680), (14955, 1408896), (15952, 1320840), (17280, 1219331), (17946, 1174080), (18345, 1148544), (19568, 1076760), (19940, 1056672), (22014, 957120), (23928, 880560), (24460, 861408), (26919, 782720), (29352, 717840), (29910, 704448), (31904, 660420), (33021, 638080), (35892, 587040), (36690, 574272), (39136, 538380), (39880, 528336), (44028, 478560), (44865, 469632), (47856, 440280), (48920, 430704), (53838, 391360), (55035, 382848), (58704, 358920), (59820, 352224), (63808, 330210), (66042, 319040), (71784, 293520), (73380, 287136), (78272, 269190), (79760, 264168), (88056, 239280), (89730, 234816), (95712, 220140), (97840, 215352), (107676, 195680), (110070, 191424), (117408, 179460), (119640, 176112), (127616, 165105), (132084, 159520), (134595, 156544), (143568, 146760)]