20508180480

素因数分解:

$2^{17}\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 576

約数和(自身を含む): 78013756800

約数和(自身を除く): 57505576320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 61, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 122, 128, 135, 144, 152, 160, 171, 180, 183, 190, 192, 216, 228, 240, 244, 256, 270, 285, 288, 304, 305, 320, 342, 360, 366, 380, 384, 432, 456, 480, 488, 512, 513, 540, 549, 570, 576, 608, 610, 640, 684, 720, 732, 760, 768, 855, 864, 912, 915, 960, 976, 1024, 1026, 1080, 1098, 1140, 1152, 1159, 1216, 1220, 1280, 1368, 1440, 1464, 1520, 1536, 1647, 1710, 1728, 1824, 1830, 1920, 1952, 2048, 2052, 2160, 2196, 2280, 2304, 2318, 2432, 2440, 2560, 2565, 2736, 2745, 2880, 2928, 3040, 3072, 3294, 3420, 3456, 3477, 3648, 3660, 3840, 3904, 4096, 4104, 4320, 4392, 4560, 4608, 4636, 4864, 4880, 5120, 5130, 5472, 5490, 5760, 5795, 5856, 6080, 6144, 6588, 6840, 6912, 6954, 7296, 7320, 7680, 7808, 8192, 8208, 8235, 8640, 8784, 9120, 9216, 9272, 9728, 9760, 10240, 10260, 10431, 10944, 10980, 11520, 11590, 11712, 12160, 12288, 13176, 13680, 13824, 13908, 14592, 14640, 15360, 15616, 16384, 16416, 16470, 17280, 17385, 17568, 18240, 18432, 18544, 19456, 19520, 20480, 20520, 20862, 21888, 21960, 23040, 23180, 23424, 24320, 24576, 26352, 27360, 27648, 27816, 29184, 29280, 30720, 31232, 31293, 32768, 32832, 32940, 34560, 34770, 35136, 36480, 36864, 37088, 38912, 39040, 40960, 41040, 41724, 43776, 43920, 46080, 46360, 46848, 48640, 49152, 52155, 52704, 54720, 55296, 55632, 58368, 58560, 61440, 62464, 62586, 65536, 65664, 65880, 69120, 69540, 70272, 72960, 73728, 74176, 77824, 78080, 81920, 82080, 83448, 87552, 87840, 92160, 92720, 93696, 97280, 98304, 104310, 105408, 109440, 110592, 111264, 116736, 117120, 122880, 124928, 125172, 131072, 131328, 131760, 138240, 139080, 140544, 145920, 147456, 148352, 155648, 156160, 156465, 163840, 164160, 166896, 175104, 175680, 184320, 185440, 187392, 194560, 196608, 208620, 210816, 218880, 221184, 222528, 233472, 234240, 245760, 249856, 250344, 262656, 263520, 276480, 278160, 281088, 291840, 294912, 296704, 311296, 312320, 312930, 327680, 328320, 333792, 350208, 351360, 368640, 370880, 374784, 389120, 393216, 417240, 421632, 437760, 442368, 445056, 466944, 468480, 491520, 499712, 500688, 525312, 527040, 552960, 556320, 562176, 583680, 589824, 593408, 622592, 624640, 625860, 655360, 656640, 667584, 700416, 702720, 737280, 741760, 749568, 778240, 834480, 843264, 875520, 884736, 890112, 933888, 936960, 983040, 999424, 1001376, 1050624, 1054080, 1105920, 1112640, 1124352, 1167360, 1179648, 1186816, 1245184, 1249280, 1251720, 1313280, 1335168, 1400832, 1405440, 1474560, 1483520, 1499136, 1556480, 1668960, 1686528, 1751040, 1769472, 1780224, 1867776, 1873920, 1966080, 1998848, 2002752, 2101248, 2108160, 2211840, 2225280, 2248704, 2334720, 2373632, 2490368, 2498560, 2503440, 2626560, 2670336, 2801664, 2810880, 2949120, 2967040, 2998272, 3112960, 3337920, 3373056, 3502080, 3538944, 3560448, 3735552, 3747840, 3997696, 4005504, 4202496, 4216320, 4423680, 4450560, 4497408, 4669440, 4747264, 4997120, 5006880, 5253120, 5340672, 5603328, 5621760, 5898240, 5934080, 5996544, 6225920, 6675840, 6746112, 7004160, 7120896, 7471104, 7495680, 7995392, 8011008, 8404992, 8432640, 8847360, 8901120, 8994816, 9338880, 9494528, 9994240, 10013760, 10506240, 10681344, 11206656, 11243520, 11868160, 11993088, 12451840, 13351680, 13492224, 14008320, 14241792, 14991360, 16022016, 16809984, 16865280, 17694720, 17802240, 17989632, 18677760, 18989056, 19988480, 20027520, 21012480, 21362688, 22413312, 22487040, 23736320, 23986176, 26703360, 26984448, 28016640, 28483584, 29982720, 32044032, 33619968, 33730560, 35604480, 35979264, 37355520, 37978112, 39976960, 40055040, 42024960, 42725376, 44974080, 47472640, 53406720, 53968896, 56033280, 56967168, 59965440, 64088064, 67239936, 67461120, 71208960, 71958528, 75956224, 80110080, 84049920, 85450752, 89948160, 94945280, 106813440, 107937792, 112066560, 113934336, 119930880, 128176128, 134922240, 142417920, 151912448, 160220160, 168099840, 170901504, 179896320, 189890560, 213626880, 215875584, 227868672, 256352256, 269844480, 284835840, 320440320, 336199680, 341803008, 359792640, 379781120, 427253760, 455737344, 512704512, 539688960, 569671680, 640880640, 683606016, 759562240, 854507520, 1025409024, 1079377920, 1139343360, 1281761280, 1367212032, 1709015040, 2050818048, 2278686720, 2563522560, 3418030080, 4101636096, 5127045120, 6836060160, 10254090240, 20508180480]

約数ペア:

[(1, 20508180480), (2, 10254090240), (3, 6836060160), (4, 5127045120), (5, 4101636096), (6, 3418030080), (8, 2563522560), (9, 2278686720), (10, 2050818048), (12, 1709015040), (15, 1367212032), (16, 1281761280), (18, 1139343360), (19, 1079377920), (20, 1025409024), (24, 854507520), (27, 759562240), (30, 683606016), (32, 640880640), (36, 569671680), (38, 539688960), (40, 512704512), (45, 455737344), (48, 427253760), (54, 379781120), (57, 359792640), (60, 341803008), (61, 336199680), (64, 320440320), (72, 284835840), (76, 269844480), (80, 256352256), (90, 227868672), (95, 215875584), (96, 213626880), (108, 189890560), (114, 179896320), (120, 170901504), (122, 168099840), (128, 160220160), (135, 151912448), (144, 142417920), (152, 134922240), (160, 128176128), (171, 119930880), (180, 113934336), (183, 112066560), (190, 107937792), (192, 106813440), (216, 94945280), (228, 89948160), (240, 85450752), (244, 84049920), (256, 80110080), (270, 75956224), (285, 71958528), (288, 71208960), (304, 67461120), (305, 67239936), (320, 64088064), (342, 59965440), (360, 56967168), (366, 56033280), (380, 53968896), (384, 53406720), (432, 47472640), (456, 44974080), (480, 42725376), (488, 42024960), (512, 40055040), (513, 39976960), (540, 37978112), (549, 37355520), (570, 35979264), (576, 35604480), (608, 33730560), (610, 33619968), (640, 32044032), (684, 29982720), (720, 28483584), (732, 28016640), (760, 26984448), (768, 26703360), (855, 23986176), (864, 23736320), (912, 22487040), (915, 22413312), (960, 21362688), (976, 21012480), (1024, 20027520), (1026, 19988480), (1080, 18989056), (1098, 18677760), (1140, 17989632), (1152, 17802240), (1159, 17694720), (1216, 16865280), (1220, 16809984), (1280, 16022016), (1368, 14991360), (1440, 14241792), (1464, 14008320), (1520, 13492224), (1536, 13351680), (1647, 12451840), (1710, 11993088), (1728, 11868160), (1824, 11243520), (1830, 11206656), (1920, 10681344), (1952, 10506240), (2048, 10013760), (2052, 9994240), (2160, 9494528), (2196, 9338880), (2280, 8994816), (2304, 8901120), (2318, 8847360), (2432, 8432640), (2440, 8404992), (2560, 8011008), (2565, 7995392), (2736, 7495680), (2745, 7471104), (2880, 7120896), (2928, 7004160), (3040, 6746112), (3072, 6675840), (3294, 6225920), (3420, 5996544), (3456, 5934080), (3477, 5898240), (3648, 5621760), (3660, 5603328), (3840, 5340672), (3904, 5253120), (4096, 5006880), (4104, 4997120), (4320, 4747264), (4392, 4669440), (4560, 4497408), (4608, 4450560), (4636, 4423680), (4864, 4216320), (4880, 4202496), (5120, 4005504), (5130, 3997696), (5472, 3747840), (5490, 3735552), (5760, 3560448), (5795, 3538944), (5856, 3502080), (6080, 3373056), (6144, 3337920), (6588, 3112960), (6840, 2998272), (6912, 2967040), (6954, 2949120), (7296, 2810880), (7320, 2801664), (7680, 2670336), (7808, 2626560), (8192, 2503440), (8208, 2498560), (8235, 2490368), (8640, 2373632), (8784, 2334720), (9120, 2248704), (9216, 2225280), (9272, 2211840), (9728, 2108160), (9760, 2101248), (10240, 2002752), (10260, 1998848), (10431, 1966080), (10944, 1873920), (10980, 1867776), (11520, 1780224), (11590, 1769472), (11712, 1751040), (12160, 1686528), (12288, 1668960), (13176, 1556480), (13680, 1499136), (13824, 1483520), (13908, 1474560), (14592, 1405440), (14640, 1400832), (15360, 1335168), (15616, 1313280), (16384, 1251720), (16416, 1249280), (16470, 1245184), (17280, 1186816), (17385, 1179648), (17568, 1167360), (18240, 1124352), (18432, 1112640), (18544, 1105920), (19456, 1054080), (19520, 1050624), (20480, 1001376), (20520, 999424), (20862, 983040), (21888, 936960), (21960, 933888), (23040, 890112), (23180, 884736), (23424, 875520), (24320, 843264), (24576, 834480), (26352, 778240), (27360, 749568), (27648, 741760), (27816, 737280), (29184, 702720), (29280, 700416), (30720, 667584), (31232, 656640), (31293, 655360), (32768, 625860), (32832, 624640), (32940, 622592), (34560, 593408), (34770, 589824), (35136, 583680), (36480, 562176), (36864, 556320), (37088, 552960), (38912, 527040), (39040, 525312), (40960, 500688), (41040, 499712), (41724, 491520), (43776, 468480), (43920, 466944), (46080, 445056), (46360, 442368), (46848, 437760), (48640, 421632), (49152, 417240), (52155, 393216), (52704, 389120), (54720, 374784), (55296, 370880), (55632, 368640), (58368, 351360), (58560, 350208), (61440, 333792), (62464, 328320), (62586, 327680), (65536, 312930), (65664, 312320), (65880, 311296), (69120, 296704), (69540, 294912), (70272, 291840), (72960, 281088), (73728, 278160), (74176, 276480), (77824, 263520), (78080, 262656), (81920, 250344), (82080, 249856), (83448, 245760), (87552, 234240), (87840, 233472), (92160, 222528), (92720, 221184), (93696, 218880), (97280, 210816), (98304, 208620), (104310, 196608), (105408, 194560), (109440, 187392), (110592, 185440), (111264, 184320), (116736, 175680), (117120, 175104), (122880, 166896), (124928, 164160), (125172, 163840), (131072, 156465), (131328, 156160), (131760, 155648), (138240, 148352), (139080, 147456), (140544, 145920)]