21005210880

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{379}}^1$

素因数の和:706

約数の個数: 432

約数和(自身を含む): 77426556480

約数和(自身を除く): 56421345600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 256, 272, 283, 288, 306, 320, 340, 360, 379, 384, 408, 480, 510, 544, 566, 576, 612, 640, 680, 720, 758, 765, 768, 816, 849, 960, 1020, 1088, 1132, 1137, 1152, 1224, 1280, 1360, 1415, 1440, 1516, 1530, 1632, 1698, 1895, 1920, 2040, 2176, 2264, 2274, 2304, 2448, 2547, 2720, 2830, 2880, 3032, 3060, 3264, 3396, 3411, 3790, 3840, 4080, 4245, 4352, 4528, 4548, 4811, 4896, 5094, 5440, 5660, 5685, 5760, 6064, 6120, 6443, 6528, 6792, 6822, 7580, 8160, 8490, 9056, 9096, 9622, 9792, 10188, 10880, 11320, 11370, 11520, 12128, 12240, 12735, 12886, 13056, 13584, 13644, 14433, 15160, 16320, 16980, 17055, 18112, 18192, 19244, 19329, 19584, 20376, 21760, 22640, 22740, 24055, 24256, 24480, 25470, 25772, 27168, 27288, 28866, 30320, 32215, 32640, 33960, 34110, 36224, 36384, 38488, 38658, 39168, 40752, 43299, 45280, 45480, 48110, 48512, 48960, 50940, 51544, 54336, 54576, 57732, 57987, 60640, 64430, 65280, 67920, 68220, 72165, 72448, 72768, 76976, 77316, 81504, 86598, 90560, 90960, 96220, 96645, 97024, 97920, 101880, 103088, 107257, 108672, 109152, 115464, 115974, 121280, 128860, 135840, 136440, 144330, 145536, 153952, 154632, 163008, 173196, 181120, 181920, 192440, 193290, 195840, 203760, 206176, 214514, 216495, 217344, 218304, 230928, 231948, 242560, 257720, 271680, 272880, 288660, 289935, 291072, 307904, 309264, 321771, 326016, 346392, 362240, 363840, 384880, 386580, 407520, 412352, 429028, 432990, 436608, 461856, 463896, 485120, 515440, 536285, 543360, 545760, 577320, 579870, 615808, 618528, 643542, 652032, 692784, 727680, 769760, 773160, 815040, 824704, 858056, 865980, 873216, 923712, 927792, 965313, 1030880, 1072570, 1086720, 1091520, 1154640, 1159740, 1231616, 1237056, 1287084, 1385568, 1455360, 1539520, 1546320, 1608855, 1630080, 1649408, 1716112, 1731960, 1823369, 1847424, 1855584, 1930626, 2061760, 2145140, 2183040, 2309280, 2319480, 2474112, 2574168, 2771136, 3079040, 3092640, 3217710, 3260160, 3432224, 3463920, 3646738, 3694848, 3711168, 3861252, 4123520, 4290280, 4366080, 4618560, 4638960, 4826565, 4948224, 5148336, 5470107, 5542272, 6158080, 6185280, 6435420, 6864448, 6927840, 7293476, 7422336, 7722504, 8247040, 8580560, 9116845, 9237120, 9277920, 9653130, 10296672, 10940214, 11084544, 12370560, 12870840, 13728896, 13855680, 14586952, 14844672, 15445008, 16410321, 17161120, 18233690, 18474240, 18555840, 19306260, 20593344, 21880428, 24741120, 25741680, 27350535, 27457792, 27711360, 29173904, 30890016, 32820642, 34322240, 36467380, 37111680, 38612520, 41186688, 43760856, 51483360, 54701070, 55422720, 58347808, 61780032, 65641284, 68644480, 72934760, 74223360, 77225040, 82051605, 82373376, 87521712, 102966720, 109402140, 116695616, 123560064, 131282568, 137288960, 145869520, 154450080, 164103210, 175043424, 205933440, 218804280, 233391232, 247120128, 262565136, 291739040, 308900160, 328206420, 350086848, 411866880, 437608560, 466782464, 525130272, 583478080, 617800320, 656412840, 700173696, 875217120, 1050260544, 1166956160, 1235600640, 1312825680, 1400347392, 1750434240, 2100521088, 2333912320, 2625651360, 3500868480, 4201042176, 5251302720, 7001736960, 10502605440, 21005210880]

約数ペア:

[(1, 21005210880), (2, 10502605440), (3, 7001736960), (4, 5251302720), (5, 4201042176), (6, 3500868480), (8, 2625651360), (9, 2333912320), (10, 2100521088), (12, 1750434240), (15, 1400347392), (16, 1312825680), (17, 1235600640), (18, 1166956160), (20, 1050260544), (24, 875217120), (30, 700173696), (32, 656412840), (34, 617800320), (36, 583478080), (40, 525130272), (45, 466782464), (48, 437608560), (51, 411866880), (60, 350086848), (64, 328206420), (68, 308900160), (72, 291739040), (80, 262565136), (85, 247120128), (90, 233391232), (96, 218804280), (102, 205933440), (120, 175043424), (128, 164103210), (136, 154450080), (144, 145869520), (153, 137288960), (160, 131282568), (170, 123560064), (180, 116695616), (192, 109402140), (204, 102966720), (240, 87521712), (255, 82373376), (256, 82051605), (272, 77225040), (283, 74223360), (288, 72934760), (306, 68644480), (320, 65641284), (340, 61780032), (360, 58347808), (379, 55422720), (384, 54701070), (408, 51483360), (480, 43760856), (510, 41186688), (544, 38612520), (566, 37111680), (576, 36467380), (612, 34322240), (640, 32820642), (680, 30890016), (720, 29173904), (758, 27711360), (765, 27457792), (768, 27350535), (816, 25741680), (849, 24741120), (960, 21880428), (1020, 20593344), (1088, 19306260), (1132, 18555840), (1137, 18474240), (1152, 18233690), (1224, 17161120), (1280, 16410321), (1360, 15445008), (1415, 14844672), (1440, 14586952), (1516, 13855680), (1530, 13728896), (1632, 12870840), (1698, 12370560), (1895, 11084544), (1920, 10940214), (2040, 10296672), (2176, 9653130), (2264, 9277920), (2274, 9237120), (2304, 9116845), (2448, 8580560), (2547, 8247040), (2720, 7722504), (2830, 7422336), (2880, 7293476), (3032, 6927840), (3060, 6864448), (3264, 6435420), (3396, 6185280), (3411, 6158080), (3790, 5542272), (3840, 5470107), (4080, 5148336), (4245, 4948224), (4352, 4826565), (4528, 4638960), (4548, 4618560), (4811, 4366080), (4896, 4290280), (5094, 4123520), (5440, 3861252), (5660, 3711168), (5685, 3694848), (5760, 3646738), (6064, 3463920), (6120, 3432224), (6443, 3260160), (6528, 3217710), (6792, 3092640), (6822, 3079040), (7580, 2771136), (8160, 2574168), (8490, 2474112), (9056, 2319480), (9096, 2309280), (9622, 2183040), (9792, 2145140), (10188, 2061760), (10880, 1930626), (11320, 1855584), (11370, 1847424), (11520, 1823369), (12128, 1731960), (12240, 1716112), (12735, 1649408), (12886, 1630080), (13056, 1608855), (13584, 1546320), (13644, 1539520), (14433, 1455360), (15160, 1385568), (16320, 1287084), (16980, 1237056), (17055, 1231616), (18112, 1159740), (18192, 1154640), (19244, 1091520), (19329, 1086720), (19584, 1072570), (20376, 1030880), (21760, 965313), (22640, 927792), (22740, 923712), (24055, 873216), (24256, 865980), (24480, 858056), (25470, 824704), (25772, 815040), (27168, 773160), (27288, 769760), (28866, 727680), (30320, 692784), (32215, 652032), (32640, 643542), (33960, 618528), (34110, 615808), (36224, 579870), (36384, 577320), (38488, 545760), (38658, 543360), (39168, 536285), (40752, 515440), (43299, 485120), (45280, 463896), (45480, 461856), (48110, 436608), (48512, 432990), (48960, 429028), (50940, 412352), (51544, 407520), (54336, 386580), (54576, 384880), (57732, 363840), (57987, 362240), (60640, 346392), (64430, 326016), (65280, 321771), (67920, 309264), (68220, 307904), (72165, 291072), (72448, 289935), (72768, 288660), (76976, 272880), (77316, 271680), (81504, 257720), (86598, 242560), (90560, 231948), (90960, 230928), (96220, 218304), (96645, 217344), (97024, 216495), (97920, 214514), (101880, 206176), (103088, 203760), (107257, 195840), (108672, 193290), (109152, 192440), (115464, 181920), (115974, 181120), (121280, 173196), (128860, 163008), (135840, 154632), (136440, 153952), (144330, 145536)]