640458000

素因数分解:

$2^4\times 3^2\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:89

約数の個数: 960

約数和(自身を含む): 3041805312

約数和(自身を除く): 2401347312

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 20, 21, 23, 24, 25, 26, 28, 30, 34, 35, 36, 39, 40, 42, 45, 46, 48, 50, 51, 52, 56, 60, 63, 65, 68, 69, 70, 72, 75, 78, 80, 84, 85, 90, 91, 92, 100, 102, 104, 105, 112, 115, 117, 119, 120, 125, 126, 130, 136, 138, 140, 144, 150, 153, 156, 161, 168, 170, 175, 180, 182, 184, 195, 200, 204, 207, 208, 210, 221, 225, 230, 234, 238, 240, 250, 252, 255, 260, 272, 273, 276, 280, 299, 300, 306, 312, 315, 322, 325, 336, 340, 345, 350, 357, 360, 364, 368, 375, 390, 391, 400, 408, 414, 420, 425, 442, 450, 455, 460, 468, 476, 483, 500, 504, 510, 520, 525, 546, 552, 560, 575, 585, 595, 598, 600, 612, 624, 630, 644, 650, 663, 680, 690, 700, 714, 720, 728, 750, 765, 780, 782, 805, 816, 819, 828, 840, 850, 875, 884, 897, 900, 910, 920, 936, 952, 966, 975, 1000, 1008, 1020, 1035, 1040, 1050, 1071, 1092, 1104, 1105, 1125, 1150, 1170, 1173, 1190, 1196, 1200, 1224, 1260, 1275, 1288, 1300, 1326, 1360, 1365, 1380, 1400, 1428, 1449, 1456, 1495, 1500, 1530, 1547, 1560, 1564, 1575, 1610, 1625, 1638, 1656, 1680, 1700, 1725, 1750, 1768, 1785, 1794, 1800, 1820, 1840, 1872, 1904, 1932, 1950, 1955, 1989, 2000, 2040, 2070, 2093, 2100, 2125, 2142, 2184, 2210, 2250, 2275, 2300, 2340, 2346, 2380, 2392, 2415, 2448, 2520, 2550, 2576, 2600, 2625, 2652, 2691, 2730, 2737, 2760, 2800, 2856, 2875, 2898, 2925, 2975, 2990, 3000, 3060, 3094, 3120, 3128, 3150, 3220, 3250, 3276, 3312, 3315, 3400, 3450, 3500, 3519, 3536, 3570, 3588, 3600, 3640, 3825, 3864, 3900, 3910, 3978, 4025, 4080, 4095, 4140, 4186, 4200, 4250, 4284, 4368, 4420, 4485, 4500, 4550, 4600, 4641, 4680, 4692, 4760, 4784, 4830, 4875, 5040, 5083, 5100, 5175, 5200, 5250, 5304, 5355, 5382, 5460, 5474, 5520, 5525, 5712, 5750, 5796, 5850, 5865, 5950, 5980, 6000, 6120, 6188, 6256, 6279, 6300, 6375, 6440, 6500, 6552, 6630, 6800, 6825, 6900, 7000, 7038, 7140, 7176, 7245, 7280, 7475, 7650, 7728, 7735, 7800, 7820, 7875, 7956, 8050, 8190, 8211, 8280, 8372, 8400, 8500, 8568, 8625, 8840, 8925, 8970, 9000, 9100, 9200, 9282, 9360, 9384, 9520, 9660, 9750, 9775, 9945, 10166, 10200, 10350, 10465, 10500, 10608, 10710, 10764, 10920, 10948, 11050, 11375, 11500, 11592, 11700, 11730, 11900, 11960, 12075, 12240, 12376, 12558, 12600, 12750, 12880, 13000, 13104, 13260, 13455, 13650, 13685, 13800, 13923, 14000, 14076, 14280, 14352, 14490, 14625, 14875, 14950, 15249, 15300, 15470, 15600, 15640, 15750, 15912, 16100, 16380, 16422, 16560, 16575, 16744, 17000, 17136, 17250, 17595, 17680, 17850, 17940, 18000, 18200, 18564, 18768, 18837, 19125, 19320, 19500, 19550, 19890, 20125, 20332, 20400, 20475, 20700, 20930, 21000, 21420, 21528, 21840, 21896, 22100, 22425, 22750, 23000, 23184, 23205, 23400, 23460, 23800, 23920, 24150, 24633, 24752, 25116, 25200, 25415, 25500, 25875, 26000, 26520, 26775, 26910, 27300, 27370, 27600, 27625, 27846, 28152, 28560, 28980, 29250, 29325, 29750, 29900, 30498, 30600, 30940, 31280, 31395, 31500, 31824, 32200, 32760, 32844, 33150, 33488, 34000, 34125, 34500, 35190, 35581, 35700, 35880, 36225, 36400, 37128, 37375, 37674, 38250, 38640, 38675, 39000, 39100, 39780, 40250, 40664, 40950, 41055, 41400, 41860, 42000, 42840, 43056, 43792, 44200, 44625, 44850, 45500, 45747, 46000, 46410, 46800, 46920, 47600, 48300, 48875, 49266, 49725, 50232, 50830, 51000, 51750, 52325, 53040, 53550, 53820, 54600, 54740, 55250, 55692, 56304, 57960, 58500, 58650, 59500, 59800, 60375, 60996, 61200, 61880, 62790, 63000, 64400, 65520, 65688, 66300, 67275, 68250, 68425, 69000, 69615, 70380, 71162, 71400, 71760, 72450, 74256, 74750, 75348, 76245, 76500, 77350, 78000, 78200, 79560, 80500, 81328, 81900, 82110, 82800, 82875, 83720, 85680, 87975, 88400, 89250, 89700, 91000, 91494, 92820, 93840, 94185, 96600, 97750, 98532, 99450, 100464, 101660, 102000, 102375, 103500, 104650, 106743, 107100, 107640, 109200, 109480, 110500, 111384, 112125, 115920, 116025, 117000, 117300, 119000, 119600, 120750, 121992, 123165, 123760, 125580, 126000, 127075, 131376, 132600, 133875, 134550, 136500, 136850, 138000, 139230, 140760, 142324, 142800, 144900, 146625, 149500, 150696, 152490, 153000, 154700, 156400, 156975, 159120, 161000, 163800, 164220, 165750, 167440, 175950, 177905, 178500, 179400, 181125, 182000, 182988, 185640, 188370, 193200, 193375, 195500, 197064, 198900, 203320, 204750, 205275, 207000, 209300, 213486, 214200, 215280, 218960, 221000, 222768, 224250, 228735, 232050, 234000, 234600, 238000, 241500, 243984, 246330, 248625, 251160, 254150, 261625, 265200, 267750, 269100, 273000, 273700, 278460, 281520, 284648, 289800, 293250, 299000, 301392, 304980, 306000, 309400, 313950, 320229, 322000, 327600, 328440, 331500, 336375, 342125, 348075, 351900, 355810, 357000, 358800, 362250, 365976, 371280, 376740, 381225, 386750, 391000, 394128, 397800, 406640, 409500, 410550, 414000, 418600, 426972, 428400, 439875, 442000, 448500, 457470, 464100, 469200, 470925, 483000, 492660, 497250, 502320, 508300, 523250, 533715, 535500, 538200, 546000, 547400, 556920, 569296, 579600, 580125, 586500, 598000, 609960, 615825, 618800, 627900, 635375, 640458, 656880, 663000, 672750, 684250, 696150, 703800, 711620, 714000, 724500, 731952, 753480, 762450, 773500, 782000, 784875, 795600, 819000, 821100, 837200, 853944, 879750, 889525, 897000, 914940, 928200, 941850, 966000, 985320, 994500, 1016600, 1026375, 1046500, 1067430, 1071000, 1076400, 1094800, 1113840, 1143675, 1160250, 1173000, 1219920, 1231650, 1255800, 1270750, 1280916, 1326000, 1345500, 1368500, 1392300, 1407600, 1423240, 1449000, 1506960, 1524900, 1547000, 1569750, 1601145, 1638000, 1642200, 1707888, 1740375, 1759500, 1779050, 1794000, 1829880, 1856400, 1883700, 1906125, 1970640, 1989000, 2033200, 2052750, 2093000, 2134860, 2142000, 2287350, 2320500, 2346000, 2354625, 2463300, 2511600, 2541500, 2561832, 2668575, 2691000, 2737000, 2784600, 2846480, 2898000, 3049800, 3079125, 3094000, 3139500, 3202290, 3284400, 3480750, 3519000, 3558100, 3659760, 3767400, 3812250, 3978000, 4105500, 4186000, 4269720, 4447625, 4574700, 4641000, 4709250, 4926600, 5083000, 5123664, 5337150, 5382000, 5474000, 5569200, 5718375, 6099600, 6158250, 6279000, 6404580, 6961500, 7038000, 7116200, 7534800, 7624500, 8005725, 8211000, 8539440, 8895250, 9149400, 9282000, 9418500, 9853200, 10166000, 10674300, 11436750, 12316500, 12558000, 12809160, 13342875, 13923000, 14232400, 15249000, 16011450, 16422000, 17790500, 18298800, 18837000, 21348600, 22873500, 24633000, 25618320, 26685750, 27846000, 30498000, 32022900, 35581000, 37674000, 40028625, 42697200, 45747000, 49266000, 53371500, 64045800, 71162000, 80057250, 91494000, 106743000, 128091600, 160114500, 213486000, 320229000, 640458000]

約数ペア:

[(1, 640458000), (2, 320229000), (3, 213486000), (4, 160114500), (5, 128091600), (6, 106743000), (7, 91494000), (8, 80057250), (9, 71162000), (10, 64045800), (12, 53371500), (13, 49266000), (14, 45747000), (15, 42697200), (16, 40028625), (17, 37674000), (18, 35581000), (20, 32022900), (21, 30498000), (23, 27846000), (24, 26685750), (25, 25618320), (26, 24633000), (28, 22873500), (30, 21348600), (34, 18837000), (35, 18298800), (36, 17790500), (39, 16422000), (40, 16011450), (42, 15249000), (45, 14232400), (46, 13923000), (48, 13342875), (50, 12809160), (51, 12558000), (52, 12316500), (56, 11436750), (60, 10674300), (63, 10166000), (65, 9853200), (68, 9418500), (69, 9282000), (70, 9149400), (72, 8895250), (75, 8539440), (78, 8211000), (80, 8005725), (84, 7624500), (85, 7534800), (90, 7116200), (91, 7038000), (92, 6961500), (100, 6404580), (102, 6279000), (104, 6158250), (105, 6099600), (112, 5718375), (115, 5569200), (117, 5474000), (119, 5382000), (120, 5337150), (125, 5123664), (126, 5083000), (130, 4926600), (136, 4709250), (138, 4641000), (140, 4574700), (144, 4447625), (150, 4269720), (153, 4186000), (156, 4105500), (161, 3978000), (168, 3812250), (170, 3767400), (175, 3659760), (180, 3558100), (182, 3519000), (184, 3480750), (195, 3284400), (200, 3202290), (204, 3139500), (207, 3094000), (208, 3079125), (210, 3049800), (221, 2898000), (225, 2846480), (230, 2784600), (234, 2737000), (238, 2691000), (240, 2668575), (250, 2561832), (252, 2541500), (255, 2511600), (260, 2463300), (272, 2354625), (273, 2346000), (276, 2320500), (280, 2287350), (299, 2142000), (300, 2134860), (306, 2093000), (312, 2052750), (315, 2033200), (322, 1989000), (325, 1970640), (336, 1906125), (340, 1883700), (345, 1856400), (350, 1829880), (357, 1794000), (360, 1779050), (364, 1759500), (368, 1740375), (375, 1707888), (390, 1642200), (391, 1638000), (400, 1601145), (408, 1569750), (414, 1547000), (420, 1524900), (425, 1506960), (442, 1449000), (450, 1423240), (455, 1407600), (460, 1392300), (468, 1368500), (476, 1345500), (483, 1326000), (500, 1280916), (504, 1270750), (510, 1255800), (520, 1231650), (525, 1219920), (546, 1173000), (552, 1160250), (560, 1143675), (575, 1113840), (585, 1094800), (595, 1076400), (598, 1071000), (600, 1067430), (612, 1046500), (624, 1026375), (630, 1016600), (644, 994500), (650, 985320), (663, 966000), (680, 941850), (690, 928200), (700, 914940), (714, 897000), (720, 889525), (728, 879750), (750, 853944), (765, 837200), (780, 821100), (782, 819000), (805, 795600), (816, 784875), (819, 782000), (828, 773500), (840, 762450), (850, 753480), (875, 731952), (884, 724500), (897, 714000), (900, 711620), (910, 703800), (920, 696150), (936, 684250), (952, 672750), (966, 663000), (975, 656880), (1000, 640458), (1008, 635375), (1020, 627900), (1035, 618800), (1040, 615825), (1050, 609960), (1071, 598000), (1092, 586500), (1104, 580125), (1105, 579600), (1125, 569296), (1150, 556920), (1170, 547400), (1173, 546000), (1190, 538200), (1196, 535500), (1200, 533715), (1224, 523250), (1260, 508300), (1275, 502320), (1288, 497250), (1300, 492660), (1326, 483000), (1360, 470925), (1365, 469200), (1380, 464100), (1400, 457470), (1428, 448500), (1449, 442000), (1456, 439875), (1495, 428400), (1500, 426972), (1530, 418600), (1547, 414000), (1560, 410550), (1564, 409500), (1575, 406640), (1610, 397800), (1625, 394128), (1638, 391000), (1656, 386750), (1680, 381225), (1700, 376740), (1725, 371280), (1750, 365976), (1768, 362250), (1785, 358800), (1794, 357000), (1800, 355810), (1820, 351900), (1840, 348075), (1872, 342125), (1904, 336375), (1932, 331500), (1950, 328440), (1955, 327600), (1989, 322000), (2000, 320229), (2040, 313950), (2070, 309400), (2093, 306000), (2100, 304980), (2125, 301392), (2142, 299000), (2184, 293250), (2210, 289800), (2250, 284648), (2275, 281520), (2300, 278460), (2340, 273700), (2346, 273000), (2380, 269100), (2392, 267750), (2415, 265200), (2448, 261625), (2520, 254150), (2550, 251160), (2576, 248625), (2600, 246330), (2625, 243984), (2652, 241500), (2691, 238000), (2730, 234600), (2737, 234000), (2760, 232050), (2800, 228735), (2856, 224250), (2875, 222768), (2898, 221000), (2925, 218960), (2975, 215280), (2990, 214200), (3000, 213486), (3060, 209300), (3094, 207000), (3120, 205275), (3128, 204750), (3150, 203320), (3220, 198900), (3250, 197064), (3276, 195500), (3312, 193375), (3315, 193200), (3400, 188370), (3450, 185640), (3500, 182988), (3519, 182000), (3536, 181125), (3570, 179400), (3588, 178500), (3600, 177905), (3640, 175950), (3825, 167440), (3864, 165750), (3900, 164220), (3910, 163800), (3978, 161000), (4025, 159120), (4080, 156975), (4095, 156400), (4140, 154700), (4186, 153000), (4200, 152490), (4250, 150696), (4284, 149500), (4368, 146625), (4420, 144900), (4485, 142800), (4500, 142324), (4550, 140760), (4600, 139230), (4641, 138000), (4680, 136850), (4692, 136500), (4760, 134550), (4784, 133875), (4830, 132600), (4875, 131376), (5040, 127075), (5083, 126000), (5100, 125580), (5175, 123760), (5200, 123165), (5250, 121992), (5304, 120750), (5355, 119600), (5382, 119000), (5460, 117300), (5474, 117000), (5520, 116025), (5525, 115920), (5712, 112125), (5750, 111384), (5796, 110500), (5850, 109480), (5865, 109200), (5950, 107640), (5980, 107100), (6000, 106743), (6120, 104650), (6188, 103500), (6256, 102375), (6279, 102000), (6300, 101660), (6375, 100464), (6440, 99450), (6500, 98532), (6552, 97750), (6630, 96600), (6800, 94185), (6825, 93840), (6900, 92820), (7000, 91494), (7038, 91000), (7140, 89700), (7176, 89250), (7245, 88400), (7280, 87975), (7475, 85680), (7650, 83720), (7728, 82875), (7735, 82800), (7800, 82110), (7820, 81900), (7875, 81328), (7956, 80500), (8050, 79560), (8190, 78200), (8211, 78000), (8280, 77350), (8372, 76500), (8400, 76245), (8500, 75348), (8568, 74750), (8625, 74256), (8840, 72450), (8925, 71760), (8970, 71400), (9000, 71162), (9100, 70380), (9200, 69615), (9282, 69000), (9360, 68425), (9384, 68250), (9520, 67275), (9660, 66300), (9750, 65688), (9775, 65520), (9945, 64400), (10166, 63000), (10200, 62790), (10350, 61880), (10465, 61200), (10500, 60996), (10608, 60375), (10710, 59800), (10764, 59500), (10920, 58650), (10948, 58500), (11050, 57960), (11375, 56304), (11500, 55692), (11592, 55250), (11700, 54740), (11730, 54600), (11900, 53820), (11960, 53550), (12075, 53040), (12240, 52325), (12376, 51750), (12558, 51000), (12600, 50830), (12750, 50232), (12880, 49725), (13000, 49266), (13104, 48875), (13260, 48300), (13455, 47600), (13650, 46920), (13685, 46800), (13800, 46410), (13923, 46000), (14000, 45747), (14076, 45500), (14280, 44850), (14352, 44625), (14490, 44200), (14625, 43792), (14875, 43056), (14950, 42840), (15249, 42000), (15300, 41860), (15470, 41400), (15600, 41055), (15640, 40950), (15750, 40664), (15912, 40250), (16100, 39780), (16380, 39100), (16422, 39000), (16560, 38675), (16575, 38640), (16744, 38250), (17000, 37674), (17136, 37375), (17250, 37128), (17595, 36400), (17680, 36225), (17850, 35880), (17940, 35700), (18000, 35581), (18200, 35190), (18564, 34500), (18768, 34125), (18837, 34000), (19125, 33488), (19320, 33150), (19500, 32844), (19550, 32760), (19890, 32200), (20125, 31824), (20332, 31500), (20400, 31395), (20475, 31280), (20700, 30940), (20930, 30600), (21000, 30498), (21420, 29900), (21528, 29750), (21840, 29325), (21896, 29250), (22100, 28980), (22425, 28560), (22750, 28152), (23000, 27846), (23184, 27625), (23205, 27600), (23400, 27370), (23460, 27300), (23800, 26910), (23920, 26775), (24150, 26520), (24633, 26000), (24752, 25875), (25116, 25500), (25200, 25415)]