20978805120

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1009}}^1$

素因数の和:1075

約数の個数: 768

約数和(自身を含む): 88786756800

約数和(自身を除く): 67807951680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 17, 20, 21, 24, 26, 28, 30, 32, 34, 35, 39, 40, 42, 48, 49, 51, 52, 56, 60, 64, 65, 68, 70, 78, 80, 84, 85, 91, 96, 98, 102, 104, 105, 112, 119, 120, 128, 130, 136, 140, 147, 156, 160, 168, 170, 182, 192, 195, 196, 204, 208, 210, 221, 224, 238, 240, 245, 255, 260, 272, 273, 280, 294, 312, 320, 336, 340, 357, 364, 384, 390, 392, 408, 416, 420, 442, 448, 455, 476, 480, 490, 510, 520, 544, 546, 560, 588, 595, 624, 637, 640, 663, 672, 680, 714, 728, 735, 780, 784, 816, 832, 833, 840, 884, 896, 910, 952, 960, 980, 1009, 1020, 1040, 1088, 1092, 1105, 1120, 1176, 1190, 1248, 1274, 1326, 1344, 1360, 1365, 1428, 1456, 1470, 1547, 1560, 1568, 1632, 1664, 1666, 1680, 1768, 1785, 1820, 1904, 1911, 1920, 1960, 2018, 2040, 2080, 2176, 2184, 2210, 2240, 2352, 2380, 2496, 2499, 2548, 2652, 2688, 2720, 2730, 2856, 2912, 2940, 3027, 3094, 3120, 3136, 3185, 3264, 3315, 3332, 3360, 3536, 3570, 3640, 3808, 3822, 3920, 4036, 4080, 4160, 4165, 4368, 4420, 4480, 4641, 4704, 4760, 4992, 4998, 5045, 5096, 5304, 5440, 5460, 5712, 5824, 5880, 6054, 6188, 6240, 6272, 6370, 6528, 6630, 6664, 6720, 7063, 7072, 7140, 7280, 7616, 7644, 7735, 7840, 8072, 8160, 8320, 8330, 8736, 8840, 9282, 9408, 9520, 9555, 9996, 10090, 10192, 10608, 10829, 10880, 10920, 11424, 11648, 11760, 12108, 12376, 12480, 12495, 12740, 13117, 13260, 13328, 13440, 14126, 14144, 14280, 14560, 15135, 15232, 15288, 15470, 15680, 16144, 16320, 16660, 17153, 17472, 17680, 18564, 18816, 19040, 19110, 19992, 20180, 20384, 21189, 21216, 21658, 21840, 22848, 23205, 23520, 24216, 24752, 24960, 24990, 25480, 26234, 26520, 26656, 28252, 28288, 28560, 29120, 30270, 30576, 30940, 31360, 32288, 32487, 32640, 33320, 34306, 34944, 35315, 35360, 37128, 38080, 38220, 39351, 39984, 40360, 40768, 42378, 42432, 43316, 43680, 45696, 46410, 47040, 48432, 49441, 49504, 49980, 50960, 51459, 52468, 53040, 53312, 54145, 56504, 57120, 58240, 60540, 61152, 61880, 64576, 64974, 65585, 66640, 68612, 70630, 70720, 74256, 76160, 76440, 78702, 79968, 80720, 81536, 84756, 84864, 85765, 86632, 87360, 91819, 92820, 94080, 96864, 98882, 99008, 99960, 101920, 102918, 104936, 105945, 106080, 106624, 108290, 113008, 114240, 120071, 121080, 122304, 123760, 129152, 129948, 131170, 133280, 137224, 141260, 141440, 148323, 148512, 152880, 157404, 159936, 161440, 162435, 169512, 171530, 173264, 174720, 183638, 185640, 193728, 196755, 197764, 198016, 199920, 203840, 205836, 209872, 211890, 212160, 216580, 222989, 226016, 228480, 240142, 242160, 244608, 247205, 247520, 257295, 259896, 262340, 266560, 274448, 275457, 282520, 296646, 297024, 305760, 314808, 319872, 322880, 324870, 339024, 343060, 346528, 360213, 367276, 371280, 387456, 393510, 395528, 399840, 407680, 411672, 419744, 423780, 424320, 433160, 445978, 452032, 459095, 480284, 484320, 494410, 495040, 514590, 519792, 524680, 533120, 548896, 550914, 565040, 593292, 594048, 600355, 611520, 629616, 642733, 645760, 649740, 668967, 678048, 686120, 693056, 720426, 734552, 741615, 742560, 787020, 791056, 799680, 823344, 839488, 840497, 847560, 866320, 891956, 904064, 918190, 960568, 968640, 988820, 990080, 1029180, 1039584, 1049360, 1097792, 1101828, 1114945, 1130080, 1186584, 1200710, 1223040, 1259232, 1285466, 1299480, 1337934, 1356096, 1372240, 1377285, 1386112, 1440852, 1469104, 1483230, 1485120, 1560923, 1574040, 1582112, 1599360, 1646688, 1678976, 1680994, 1695120, 1732640, 1783912, 1801065, 1836380, 1921136, 1928199, 1937280, 1977640, 2058360, 2079168, 2098720, 2195584, 2203656, 2229890, 2260160, 2373168, 2401420, 2518464, 2521491, 2570932, 2598960, 2675868, 2712192, 2744480, 2754570, 2881704, 2938208, 2966460, 2970240, 3121846, 3148080, 3164224, 3213665, 3293376, 3344835, 3361988, 3390240, 3465280, 3567824, 3602130, 3672760, 3842272, 3856398, 3955280, 4116720, 4158336, 4197440, 4202485, 4407312, 4459780, 4520320, 4682769, 4746336, 4802840, 5036928, 5042982, 5141864, 5197920, 5351736, 5488960, 5509140, 5763408, 5876416, 5932920, 6243692, 6296160, 6328448, 6427330, 6586752, 6689670, 6723976, 6780480, 6930560, 7135648, 7204260, 7345520, 7684544, 7712796, 7804615, 7910560, 8233440, 8394880, 8404970, 8814624, 8919560, 9365538, 9492672, 9605680, 9640995, 10085964, 10283728, 10395840, 10703472, 10926461, 10977920, 11018280, 11526816, 11752832, 11865840, 12487384, 12592320, 12607455, 12854660, 13379340, 13447952, 13560960, 14271296, 14408520, 14691040, 15369088, 15425592, 15609230, 15821120, 16466880, 16809940, 17629248, 17839120, 18731076, 18985344, 19211360, 19281990, 20171928, 20567456, 20791680, 21406944, 21852922, 22036560, 23053632, 23413845, 23731680, 24974768, 25184640, 25214910, 25709320, 26758680, 26895904, 28542592, 28817040, 29382080, 30851184, 31218460, 31642240, 32779383, 32933760, 33619880, 35258496, 35678240, 37462152, 38422720, 38563980, 40343856, 41134912, 42813888, 43705844, 44073120, 46107264, 46827690, 47463360, 49949536, 50429820, 51418640, 53517360, 53791808, 54632305, 57634080, 58764160, 61702368, 62436920, 65558766, 67239760, 71356480, 74924304, 76845440, 77127960, 80687712, 82269824, 85627776, 87411688, 88146240, 93655380, 94926720, 99899072, 100859640, 102837280, 107034720, 107583616, 109264610, 115268160, 123404736, 124873840, 131117532, 134479520, 142712960, 149848608, 154255920, 161375424, 163896915, 174823376, 176292480, 187310760, 199798144, 201719280, 205674560, 214069440, 218529220, 230536320, 246809472, 249747680, 262235064, 268959040, 299697216, 308511840, 322750848, 327793830, 349646752, 374621520, 403438560, 411349120, 428138880, 437058440, 499495360, 524470128, 537918080, 599394432, 617023680, 655587660, 699293504, 749243040, 806877120, 874116880, 998990720, 1048940256, 1234047360, 1311175320, 1398587008, 1498486080, 1613754240, 1748233760, 2097880512, 2622350640, 2996972160, 3496467520, 4195761024, 5244701280, 6992935040, 10489402560, 20978805120]

約数ペア:

[(1, 20978805120), (2, 10489402560), (3, 6992935040), (4, 5244701280), (5, 4195761024), (6, 3496467520), (7, 2996972160), (8, 2622350640), (10, 2097880512), (12, 1748233760), (13, 1613754240), (14, 1498486080), (15, 1398587008), (16, 1311175320), (17, 1234047360), (20, 1048940256), (21, 998990720), (24, 874116880), (26, 806877120), (28, 749243040), (30, 699293504), (32, 655587660), (34, 617023680), (35, 599394432), (39, 537918080), (40, 524470128), (42, 499495360), (48, 437058440), (49, 428138880), (51, 411349120), (52, 403438560), (56, 374621520), (60, 349646752), (64, 327793830), (65, 322750848), (68, 308511840), (70, 299697216), (78, 268959040), (80, 262235064), (84, 249747680), (85, 246809472), (91, 230536320), (96, 218529220), (98, 214069440), (102, 205674560), (104, 201719280), (105, 199798144), (112, 187310760), (119, 176292480), (120, 174823376), (128, 163896915), (130, 161375424), (136, 154255920), (140, 149848608), (147, 142712960), (156, 134479520), (160, 131117532), (168, 124873840), (170, 123404736), (182, 115268160), (192, 109264610), (195, 107583616), (196, 107034720), (204, 102837280), (208, 100859640), (210, 99899072), (221, 94926720), (224, 93655380), (238, 88146240), (240, 87411688), (245, 85627776), (255, 82269824), (260, 80687712), (272, 77127960), (273, 76845440), (280, 74924304), (294, 71356480), (312, 67239760), (320, 65558766), (336, 62436920), (340, 61702368), (357, 58764160), (364, 57634080), (384, 54632305), (390, 53791808), (392, 53517360), (408, 51418640), (416, 50429820), (420, 49949536), (442, 47463360), (448, 46827690), (455, 46107264), (476, 44073120), (480, 43705844), (490, 42813888), (510, 41134912), (520, 40343856), (544, 38563980), (546, 38422720), (560, 37462152), (588, 35678240), (595, 35258496), (624, 33619880), (637, 32933760), (640, 32779383), (663, 31642240), (672, 31218460), (680, 30851184), (714, 29382080), (728, 28817040), (735, 28542592), (780, 26895904), (784, 26758680), (816, 25709320), (832, 25214910), (833, 25184640), (840, 24974768), (884, 23731680), (896, 23413845), (910, 23053632), (952, 22036560), (960, 21852922), (980, 21406944), (1009, 20791680), (1020, 20567456), (1040, 20171928), (1088, 19281990), (1092, 19211360), (1105, 18985344), (1120, 18731076), (1176, 17839120), (1190, 17629248), (1248, 16809940), (1274, 16466880), (1326, 15821120), (1344, 15609230), (1360, 15425592), (1365, 15369088), (1428, 14691040), (1456, 14408520), (1470, 14271296), (1547, 13560960), (1560, 13447952), (1568, 13379340), (1632, 12854660), (1664, 12607455), (1666, 12592320), (1680, 12487384), (1768, 11865840), (1785, 11752832), (1820, 11526816), (1904, 11018280), (1911, 10977920), (1920, 10926461), (1960, 10703472), (2018, 10395840), (2040, 10283728), (2080, 10085964), (2176, 9640995), (2184, 9605680), (2210, 9492672), (2240, 9365538), (2352, 8919560), (2380, 8814624), (2496, 8404970), (2499, 8394880), (2548, 8233440), (2652, 7910560), (2688, 7804615), (2720, 7712796), (2730, 7684544), (2856, 7345520), (2912, 7204260), (2940, 7135648), (3027, 6930560), (3094, 6780480), (3120, 6723976), (3136, 6689670), (3185, 6586752), (3264, 6427330), (3315, 6328448), (3332, 6296160), (3360, 6243692), (3536, 5932920), (3570, 5876416), (3640, 5763408), (3808, 5509140), (3822, 5488960), (3920, 5351736), (4036, 5197920), (4080, 5141864), (4160, 5042982), (4165, 5036928), (4368, 4802840), (4420, 4746336), (4480, 4682769), (4641, 4520320), (4704, 4459780), (4760, 4407312), (4992, 4202485), (4998, 4197440), (5045, 4158336), (5096, 4116720), (5304, 3955280), (5440, 3856398), (5460, 3842272), (5712, 3672760), (5824, 3602130), (5880, 3567824), (6054, 3465280), (6188, 3390240), (6240, 3361988), (6272, 3344835), (6370, 3293376), (6528, 3213665), (6630, 3164224), (6664, 3148080), (6720, 3121846), (7063, 2970240), (7072, 2966460), (7140, 2938208), (7280, 2881704), (7616, 2754570), (7644, 2744480), (7735, 2712192), (7840, 2675868), (8072, 2598960), (8160, 2570932), (8320, 2521491), (8330, 2518464), (8736, 2401420), (8840, 2373168), (9282, 2260160), (9408, 2229890), (9520, 2203656), (9555, 2195584), (9996, 2098720), (10090, 2079168), (10192, 2058360), (10608, 1977640), (10829, 1937280), (10880, 1928199), (10920, 1921136), (11424, 1836380), (11648, 1801065), (11760, 1783912), (12108, 1732640), (12376, 1695120), (12480, 1680994), (12495, 1678976), (12740, 1646688), (13117, 1599360), (13260, 1582112), (13328, 1574040), (13440, 1560923), (14126, 1485120), (14144, 1483230), (14280, 1469104), (14560, 1440852), (15135, 1386112), (15232, 1377285), (15288, 1372240), (15470, 1356096), (15680, 1337934), (16144, 1299480), (16320, 1285466), (16660, 1259232), (17153, 1223040), (17472, 1200710), (17680, 1186584), (18564, 1130080), (18816, 1114945), (19040, 1101828), (19110, 1097792), (19992, 1049360), (20180, 1039584), (20384, 1029180), (21189, 990080), (21216, 988820), (21658, 968640), (21840, 960568), (22848, 918190), (23205, 904064), (23520, 891956), (24216, 866320), (24752, 847560), (24960, 840497), (24990, 839488), (25480, 823344), (26234, 799680), (26520, 791056), (26656, 787020), (28252, 742560), (28288, 741615), (28560, 734552), (29120, 720426), (30270, 693056), (30576, 686120), (30940, 678048), (31360, 668967), (32288, 649740), (32487, 645760), (32640, 642733), (33320, 629616), (34306, 611520), (34944, 600355), (35315, 594048), (35360, 593292), (37128, 565040), (38080, 550914), (38220, 548896), (39351, 533120), (39984, 524680), (40360, 519792), (40768, 514590), (42378, 495040), (42432, 494410), (43316, 484320), (43680, 480284), (45696, 459095), (46410, 452032), (47040, 445978), (48432, 433160), (49441, 424320), (49504, 423780), (49980, 419744), (50960, 411672), (51459, 407680), (52468, 399840), (53040, 395528), (53312, 393510), (54145, 387456), (56504, 371280), (57120, 367276), (58240, 360213), (60540, 346528), (61152, 343060), (61880, 339024), (64576, 324870), (64974, 322880), (65585, 319872), (66640, 314808), (68612, 305760), (70630, 297024), (70720, 296646), (74256, 282520), (76160, 275457), (76440, 274448), (78702, 266560), (79968, 262340), (80720, 259896), (81536, 257295), (84756, 247520), (84864, 247205), (85765, 244608), (86632, 242160), (87360, 240142), (91819, 228480), (92820, 226016), (94080, 222989), (96864, 216580), (98882, 212160), (99008, 211890), (99960, 209872), (101920, 205836), (102918, 203840), (104936, 199920), (105945, 198016), (106080, 197764), (106624, 196755), (108290, 193728), (113008, 185640), (114240, 183638), (120071, 174720), (121080, 173264), (122304, 171530), (123760, 169512), (129152, 162435), (129948, 161440), (131170, 159936), (133280, 157404), (137224, 152880), (141260, 148512), (141440, 148323)]