19968924800

素因数分解:

$2^7\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:324

約数の個数: 384

約数和(自身を含む): 56096409600

約数和(自身を除く): 36127484800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 43, 44, 50, 55, 64, 79, 80, 86, 88, 100, 110, 128, 158, 160, 167, 172, 176, 200, 215, 220, 275, 316, 320, 334, 344, 352, 395, 400, 430, 440, 473, 550, 632, 640, 668, 688, 704, 790, 800, 835, 860, 869, 880, 946, 1075, 1100, 1264, 1336, 1376, 1408, 1580, 1600, 1670, 1720, 1738, 1760, 1837, 1892, 1975, 2150, 2200, 2365, 2528, 2672, 2752, 3160, 3200, 3340, 3397, 3440, 3476, 3520, 3674, 3784, 3950, 4175, 4300, 4345, 4400, 4730, 5056, 5344, 5504, 6320, 6680, 6794, 6880, 6952, 7040, 7181, 7348, 7568, 7900, 8350, 8600, 8690, 8800, 9185, 9460, 10112, 10688, 11825, 12640, 13193, 13360, 13588, 13760, 13904, 14362, 14696, 15136, 15800, 16700, 16985, 17200, 17380, 17600, 18370, 18920, 21376, 21725, 23650, 25280, 26386, 26720, 27176, 27520, 27808, 28724, 29392, 30272, 31600, 33400, 33970, 34400, 34760, 35200, 35905, 36740, 37367, 37840, 43450, 45925, 47300, 50560, 52772, 53440, 54352, 55616, 57448, 58784, 60544, 63200, 65965, 66800, 67940, 68800, 69520, 71810, 73480, 74734, 75680, 78991, 84925, 86900, 91850, 94600, 105544, 106880, 108704, 111232, 114896, 117568, 126400, 131930, 133600, 135880, 137600, 139040, 143620, 145123, 146960, 149468, 151360, 157982, 169850, 173800, 179525, 183700, 186835, 189200, 211088, 217408, 229792, 235136, 252800, 263860, 267200, 271760, 278080, 287240, 290246, 293920, 298936, 302720, 315964, 329825, 339700, 347600, 359050, 367400, 373670, 378400, 394955, 422176, 434816, 459584, 527720, 534400, 543520, 556160, 567299, 574480, 580492, 587840, 597872, 631928, 659650, 679400, 695200, 718100, 725615, 734800, 747340, 756800, 789910, 844352, 919168, 934175, 1055440, 1087040, 1134598, 1148960, 1160984, 1175680, 1195744, 1263856, 1319300, 1358800, 1390400, 1436200, 1451230, 1469600, 1494680, 1513600, 1579820, 1688704, 1868350, 1974775, 2110880, 2174080, 2269196, 2297920, 2321968, 2391488, 2527712, 2638600, 2717600, 2780800, 2836495, 2872400, 2902460, 2939200, 2989360, 3159640, 3628075, 3736700, 3949550, 4221760, 4538392, 4595840, 4643936, 4782976, 5055424, 5277200, 5435200, 5672990, 5744800, 5804920, 5878400, 5978720, 6240289, 6319280, 7256150, 7473400, 7899100, 8443520, 9076784, 9287872, 10110848, 10554400, 10870400, 11345980, 11489600, 11609840, 11957440, 12480578, 12638560, 14182475, 14512300, 14946800, 15798200, 18153568, 18575744, 21108800, 22691960, 22979200, 23219680, 23914880, 24961156, 25277120, 28364950, 29024600, 29893600, 31201445, 31596400, 36307136, 42217600, 45383920, 46439360, 49922312, 50554240, 56729900, 58049200, 59787200, 62402890, 63192800, 72614272, 90767840, 92878720, 99844624, 113459800, 116098400, 119574400, 124805780, 126385600, 156007225, 181535680, 199689248, 226919600, 232196800, 249611560, 252771200, 312014450, 363071360, 399378496, 453839200, 464393600, 499223120, 624028900, 798756992, 907678400, 998446240, 1248057800, 1815356800, 1996892480, 2496115600, 3993784960, 4992231200, 9984462400, 19968924800]

約数ペア:

[(1, 19968924800), (2, 9984462400), (4, 4992231200), (5, 3993784960), (8, 2496115600), (10, 1996892480), (11, 1815356800), (16, 1248057800), (20, 998446240), (22, 907678400), (25, 798756992), (32, 624028900), (40, 499223120), (43, 464393600), (44, 453839200), (50, 399378496), (55, 363071360), (64, 312014450), (79, 252771200), (80, 249611560), (86, 232196800), (88, 226919600), (100, 199689248), (110, 181535680), (128, 156007225), (158, 126385600), (160, 124805780), (167, 119574400), (172, 116098400), (176, 113459800), (200, 99844624), (215, 92878720), (220, 90767840), (275, 72614272), (316, 63192800), (320, 62402890), (334, 59787200), (344, 58049200), (352, 56729900), (395, 50554240), (400, 49922312), (430, 46439360), (440, 45383920), (473, 42217600), (550, 36307136), (632, 31596400), (640, 31201445), (668, 29893600), (688, 29024600), (704, 28364950), (790, 25277120), (800, 24961156), (835, 23914880), (860, 23219680), (869, 22979200), (880, 22691960), (946, 21108800), (1075, 18575744), (1100, 18153568), (1264, 15798200), (1336, 14946800), (1376, 14512300), (1408, 14182475), (1580, 12638560), (1600, 12480578), (1670, 11957440), (1720, 11609840), (1738, 11489600), (1760, 11345980), (1837, 10870400), (1892, 10554400), (1975, 10110848), (2150, 9287872), (2200, 9076784), (2365, 8443520), (2528, 7899100), (2672, 7473400), (2752, 7256150), (3160, 6319280), (3200, 6240289), (3340, 5978720), (3397, 5878400), (3440, 5804920), (3476, 5744800), (3520, 5672990), (3674, 5435200), (3784, 5277200), (3950, 5055424), (4175, 4782976), (4300, 4643936), (4345, 4595840), (4400, 4538392), (4730, 4221760), (5056, 3949550), (5344, 3736700), (5504, 3628075), (6320, 3159640), (6680, 2989360), (6794, 2939200), (6880, 2902460), (6952, 2872400), (7040, 2836495), (7181, 2780800), (7348, 2717600), (7568, 2638600), (7900, 2527712), (8350, 2391488), (8600, 2321968), (8690, 2297920), (8800, 2269196), (9185, 2174080), (9460, 2110880), (10112, 1974775), (10688, 1868350), (11825, 1688704), (12640, 1579820), (13193, 1513600), (13360, 1494680), (13588, 1469600), (13760, 1451230), (13904, 1436200), (14362, 1390400), (14696, 1358800), (15136, 1319300), (15800, 1263856), (16700, 1195744), (16985, 1175680), (17200, 1160984), (17380, 1148960), (17600, 1134598), (18370, 1087040), (18920, 1055440), (21376, 934175), (21725, 919168), (23650, 844352), (25280, 789910), (26386, 756800), (26720, 747340), (27176, 734800), (27520, 725615), (27808, 718100), (28724, 695200), (29392, 679400), (30272, 659650), (31600, 631928), (33400, 597872), (33970, 587840), (34400, 580492), (34760, 574480), (35200, 567299), (35905, 556160), (36740, 543520), (37367, 534400), (37840, 527720), (43450, 459584), (45925, 434816), (47300, 422176), (50560, 394955), (52772, 378400), (53440, 373670), (54352, 367400), (55616, 359050), (57448, 347600), (58784, 339700), (60544, 329825), (63200, 315964), (65965, 302720), (66800, 298936), (67940, 293920), (68800, 290246), (69520, 287240), (71810, 278080), (73480, 271760), (74734, 267200), (75680, 263860), (78991, 252800), (84925, 235136), (86900, 229792), (91850, 217408), (94600, 211088), (105544, 189200), (106880, 186835), (108704, 183700), (111232, 179525), (114896, 173800), (117568, 169850), (126400, 157982), (131930, 151360), (133600, 149468), (135880, 146960), (137600, 145123), (139040, 143620)]