20218481280

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:278

約数の個数: 640

約数和(自身を含む): 75639674880

約数和(自身を除く): 55421193600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 64, 72, 74, 80, 81, 83, 90, 96, 108, 111, 120, 127, 128, 135, 144, 148, 160, 162, 166, 180, 185, 192, 216, 222, 240, 249, 254, 270, 288, 296, 320, 324, 332, 333, 360, 370, 381, 384, 405, 415, 432, 444, 480, 498, 508, 540, 555, 576, 592, 635, 640, 648, 664, 666, 720, 740, 747, 762, 810, 830, 864, 888, 960, 996, 999, 1016, 1080, 1110, 1143, 1152, 1184, 1245, 1270, 1296, 1328, 1332, 1440, 1480, 1494, 1524, 1620, 1660, 1665, 1728, 1776, 1905, 1920, 1992, 1998, 2032, 2160, 2220, 2241, 2286, 2368, 2490, 2540, 2592, 2656, 2664, 2880, 2960, 2988, 2997, 3048, 3071, 3240, 3320, 3330, 3429, 3456, 3552, 3735, 3810, 3984, 3996, 4064, 4320, 4440, 4482, 4572, 4699, 4736, 4980, 4995, 5080, 5184, 5312, 5328, 5715, 5760, 5920, 5976, 5994, 6096, 6142, 6480, 6640, 6660, 6723, 6858, 7104, 7470, 7620, 7968, 7992, 8128, 8640, 8880, 8964, 9144, 9213, 9398, 9960, 9990, 10160, 10287, 10368, 10541, 10624, 10656, 11205, 11430, 11840, 11952, 11988, 12192, 12284, 12960, 13280, 13320, 13446, 13716, 14097, 14208, 14940, 14985, 15240, 15355, 15936, 15984, 16256, 17145, 17280, 17760, 17928, 18288, 18426, 18796, 19920, 19980, 20320, 20574, 21082, 21312, 22410, 22860, 23495, 23680, 23904, 23976, 24384, 24568, 25920, 26560, 26640, 26892, 27432, 27639, 28194, 29880, 29970, 30480, 30710, 31623, 31872, 31968, 33615, 34290, 35520, 35856, 36576, 36852, 37592, 39840, 39960, 40640, 41148, 42164, 42291, 42624, 44820, 45720, 46065, 46990, 47808, 47952, 48768, 49136, 51435, 51840, 52705, 53120, 53280, 53784, 54864, 55278, 56388, 59760, 59940, 60960, 61420, 63246, 63936, 67230, 68580, 70485, 71040, 71712, 73152, 73704, 75184, 79680, 79920, 81280, 82296, 82917, 84328, 84582, 89640, 91440, 92130, 93980, 94869, 95616, 95904, 98272, 102870, 105410, 106560, 107568, 109728, 110556, 112776, 119520, 119880, 121920, 122840, 126492, 126873, 127872, 134460, 137160, 138195, 140970, 143424, 146304, 147408, 150368, 158115, 159360, 159840, 164592, 165834, 168656, 169164, 179280, 182880, 184260, 187960, 189738, 191808, 196544, 205740, 210820, 211455, 213120, 215136, 219456, 221112, 225552, 239040, 239760, 243840, 245680, 248751, 252984, 253746, 268920, 274320, 276390, 281940, 284607, 286848, 294816, 300736, 316230, 319680, 329184, 331668, 337312, 338328, 358560, 365760, 368520, 375920, 379476, 380619, 383616, 390017, 393088, 411480, 414585, 421640, 422910, 430272, 438912, 442224, 451104, 474345, 478080, 479520, 491360, 497502, 505968, 507492, 537840, 548640, 552780, 563880, 569214, 589632, 601472, 632460, 634365, 639360, 658368, 663336, 674624, 676656, 717120, 731520, 737040, 751840, 758952, 761238, 780034, 822960, 829170, 843280, 845820, 853821, 860544, 884448, 902208, 948690, 959040, 982720, 995004, 1011936, 1014984, 1075680, 1097280, 1105560, 1127760, 1138428, 1170051, 1179264, 1243755, 1264920, 1268730, 1316736, 1326672, 1349248, 1353312, 1423035, 1434240, 1474080, 1503680, 1517904, 1522476, 1560068, 1645920, 1658340, 1686560, 1691640, 1707642, 1768896, 1804416, 1897380, 1903095, 1918080, 1950085, 1965440, 1990008, 2023872, 2029968, 2151360, 2194560, 2211120, 2255520, 2276856, 2340102, 2487510, 2529840, 2537460, 2653344, 2706624, 2846070, 2948160, 3007360, 3035808, 3044952, 3120136, 3291840, 3316680, 3373120, 3383280, 3415284, 3510153, 3537792, 3794760, 3806190, 3900170, 3980016, 4047744, 4059936, 4269105, 4302720, 4422240, 4511040, 4553712, 4680204, 4975020, 5059680, 5074920, 5306688, 5413248, 5692140, 5850255, 5896320, 6071616, 6089904, 6240272, 6583680, 6633360, 6746240, 6766560, 6830568, 7020306, 7589520, 7612380, 7800340, 7960032, 8119872, 8538210, 8844480, 9022080, 9107424, 9360408, 9950040, 10119360, 10149840, 10530459, 10613376, 11384280, 11700510, 12143232, 12179808, 12480544, 13266720, 13533120, 13661136, 14040612, 15179040, 15224760, 15600680, 15920064, 16239744, 17076420, 17550765, 17688960, 18214848, 18720816, 19900080, 20238720, 20299680, 21060918, 22768560, 23401020, 24359616, 24961088, 26533440, 27066240, 27322272, 28081224, 30358080, 30449520, 31201360, 31591377, 31840128, 34152840, 35101530, 36429696, 37441632, 39800160, 40599360, 42121836, 45537120, 46802040, 48719232, 49922176, 52652295, 53066880, 54644544, 56162448, 60716160, 60899040, 62402720, 63182754, 68305680, 70203060, 74883264, 79600320, 81198720, 84243672, 91074240, 93604080, 105304590, 109289088, 112324896, 121798080, 124805440, 126365508, 136611360, 140406120, 149766528, 157956885, 159200640, 168487344, 182148480, 187208160, 210609180, 224649792, 243596160, 249610880, 252731016, 273222720, 280812240, 315913770, 336974688, 374416320, 421218360, 449299584, 505462032, 546445440, 561624480, 631827540, 673949376, 748832640, 842436720, 1010924064, 1123248960, 1263655080, 1347898752, 1684873440, 2021848128, 2246497920, 2527310160, 3369746880, 4043696256, 5054620320, 6739493760, 10109240640, 20218481280]

約数ペア:

[(1, 20218481280), (2, 10109240640), (3, 6739493760), (4, 5054620320), (5, 4043696256), (6, 3369746880), (8, 2527310160), (9, 2246497920), (10, 2021848128), (12, 1684873440), (15, 1347898752), (16, 1263655080), (18, 1123248960), (20, 1010924064), (24, 842436720), (27, 748832640), (30, 673949376), (32, 631827540), (36, 561624480), (37, 546445440), (40, 505462032), (45, 449299584), (48, 421218360), (54, 374416320), (60, 336974688), (64, 315913770), (72, 280812240), (74, 273222720), (80, 252731016), (81, 249610880), (83, 243596160), (90, 224649792), (96, 210609180), (108, 187208160), (111, 182148480), (120, 168487344), (127, 159200640), (128, 157956885), (135, 149766528), (144, 140406120), (148, 136611360), (160, 126365508), (162, 124805440), (166, 121798080), (180, 112324896), (185, 109289088), (192, 105304590), (216, 93604080), (222, 91074240), (240, 84243672), (249, 81198720), (254, 79600320), (270, 74883264), (288, 70203060), (296, 68305680), (320, 63182754), (324, 62402720), (332, 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9950040), (2160, 9360408), (2220, 9107424), (2241, 9022080), (2286, 8844480), (2368, 8538210), (2490, 8119872), (2540, 7960032), (2592, 7800340), (2656, 7612380), (2664, 7589520), (2880, 7020306), (2960, 6830568), (2988, 6766560), (2997, 6746240), (3048, 6633360), (3071, 6583680), (3240, 6240272), (3320, 6089904), (3330, 6071616), (3429, 5896320), (3456, 5850255), (3552, 5692140), (3735, 5413248), (3810, 5306688), (3984, 5074920), (3996, 5059680), (4064, 4975020), (4320, 4680204), (4440, 4553712), (4482, 4511040), (4572, 4422240), (4699, 4302720), (4736, 4269105), (4980, 4059936), (4995, 4047744), (5080, 3980016), (5184, 3900170), (5312, 3806190), (5328, 3794760), (5715, 3537792), (5760, 3510153), (5920, 3415284), (5976, 3383280), (5994, 3373120), (6096, 3316680), (6142, 3291840), (6480, 3120136), (6640, 3044952), (6660, 3035808), (6723, 3007360), (6858, 2948160), (7104, 2846070), (7470, 2706624), (7620, 2653344), (7968, 2537460), (7992, 2529840), (8128, 2487510), (8640, 2340102), (8880, 2276856), (8964, 2255520), (9144, 2211120), (9213, 2194560), (9398, 2151360), (9960, 2029968), (9990, 2023872), (10160, 1990008), (10287, 1965440), (10368, 1950085), (10541, 1918080), (10624, 1903095), (10656, 1897380), (11205, 1804416), (11430, 1768896), (11840, 1707642), (11952, 1691640), (11988, 1686560), (12192, 1658340), (12284, 1645920), (12960, 1560068), (13280, 1522476), (13320, 1517904), (13446, 1503680), (13716, 1474080), (14097, 1434240), (14208, 1423035), (14940, 1353312), (14985, 1349248), (15240, 1326672), (15355, 1316736), (15936, 1268730), (15984, 1264920), (16256, 1243755), (17145, 1179264), (17280, 1170051), (17760, 1138428), (17928, 1127760), (18288, 1105560), (18426, 1097280), (18796, 1075680), (19920, 1014984), (19980, 1011936), (20320, 995004), (20574, 982720), (21082, 959040), (21312, 948690), (22410, 902208), (22860, 884448), (23495, 860544), (23680, 853821), (23904, 845820), (23976, 843280), (24384, 829170), (24568, 822960), (25920, 780034), (26560, 761238), (26640, 758952), (26892, 751840), (27432, 737040), (27639, 731520), (28194, 717120), (29880, 676656), (29970, 674624), (30480, 663336), (30710, 658368), (31623, 639360), (31872, 634365), (31968, 632460), (33615, 601472), (34290, 589632), (35520, 569214), (35856, 563880), (36576, 552780), (36852, 548640), (37592, 537840), (39840, 507492), (39960, 505968), (40640, 497502), (41148, 491360), (42164, 479520), (42291, 478080), (42624, 474345), (44820, 451104), (45720, 442224), (46065, 438912), (46990, 430272), (47808, 422910), (47952, 421640), (48768, 414585), (49136, 411480), (51435, 393088), (51840, 390017), (52705, 383616), (53120, 380619), (53280, 379476), (53784, 375920), (54864, 368520), (55278, 365760), (56388, 358560), (59760, 338328), (59940, 337312), (60960, 331668), (61420, 329184), (63246, 319680), (63936, 316230), (67230, 300736), (68580, 294816), (70485, 286848), (71040, 284607), (71712, 281940), (73152, 276390), (73704, 274320), (75184, 268920), (79680, 253746), (79920, 252984), (81280, 248751), (82296, 245680), (82917, 243840), (84328, 239760), (84582, 239040), (89640, 225552), (91440, 221112), (92130, 219456), (93980, 215136), (94869, 213120), (95616, 211455), (95904, 210820), (98272, 205740), (102870, 196544), (105410, 191808), (106560, 189738), (107568, 187960), (109728, 184260), (110556, 182880), (112776, 179280), (119520, 169164), (119880, 168656), (121920, 165834), (122840, 164592), (126492, 159840), (126873, 159360), (127872, 158115), (134460, 150368), (137160, 147408), (138195, 146304), (140970, 143424)]