640504634400

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{66239}}^1$

素因数の和:66361

約数の個数: 432

約数和(自身を含む): 2421744998400

約数和(自身を除く): 1781240364000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 30, 32, 34, 36, 40, 45, 48, 50, 51, 60, 68, 72, 75, 79, 80, 85, 90, 96, 100, 102, 120, 136, 144, 150, 153, 158, 160, 170, 180, 200, 204, 225, 237, 240, 255, 272, 288, 300, 306, 316, 340, 360, 395, 400, 408, 425, 450, 474, 480, 510, 544, 600, 612, 632, 680, 711, 720, 765, 790, 800, 816, 850, 900, 948, 1020, 1185, 1200, 1224, 1264, 1275, 1343, 1360, 1422, 1440, 1530, 1580, 1632, 1700, 1800, 1896, 1975, 2040, 2370, 2400, 2448, 2528, 2550, 2686, 2720, 2844, 3060, 3160, 3400, 3555, 3600, 3792, 3825, 3950, 4029, 4080, 4740, 4896, 5100, 5372, 5688, 5925, 6120, 6320, 6715, 6800, 7110, 7200, 7584, 7650, 7900, 8058, 8160, 9480, 10200, 10744, 11376, 11850, 12087, 12240, 12640, 13430, 13600, 14220, 15300, 15800, 16116, 17775, 18960, 20145, 20400, 21488, 22752, 23700, 24174, 24480, 26860, 28440, 30600, 31600, 32232, 33575, 35550, 37920, 40290, 40800, 42976, 47400, 48348, 53720, 56880, 60435, 61200, 63200, 64464, 66239, 67150, 71100, 80580, 94800, 96696, 100725, 107440, 113760, 120870, 122400, 128928, 132478, 134300, 142200, 161160, 189600, 193392, 198717, 201450, 214880, 241740, 264956, 268600, 284400, 302175, 322320, 331195, 386784, 397434, 402900, 483480, 529912, 537200, 568800, 596151, 604350, 644640, 662390, 794868, 805800, 966960, 993585, 1059824, 1074400, 1126063, 1192302, 1208700, 1324780, 1589736, 1611600, 1655975, 1933920, 1987170, 2119648, 2252126, 2384604, 2417400, 2649560, 2980755, 3179472, 3223200, 3311950, 3378189, 3974340, 4504252, 4769208, 4834800, 4967925, 5232881, 5299120, 5630315, 5961510, 6358944, 6623900, 6756378, 7948680, 9008504, 9538416, 9669600, 9935850, 10134567, 10465762, 10598240, 11260630, 11923020, 13247800, 13512756, 14903775, 15698643, 15897360, 16890945, 18017008, 19076832, 19871700, 20269134, 20931524, 22521260, 23846040, 26164405, 26495600, 27025512, 28151575, 29807550, 31397286, 31794720, 33781890, 36034016, 39743400, 40538268, 41863048, 45042520, 47095929, 47692080, 50672835, 52328810, 52991200, 54051024, 56303150, 59615100, 62794572, 67563780, 78493215, 79486800, 81076536, 83726096, 84454725, 88958977, 90085040, 94191858, 95384160, 101345670, 104657620, 108102048, 112606300, 119230200, 125589144, 130822025, 135127560, 156986430, 158973600, 162153072, 167452192, 168909450, 177917954, 180170080, 188383716, 202691340, 209315240, 225212600, 235479645, 238460400, 251178288, 253364175, 261644050, 266876931, 270255120, 313972860, 324306144, 337818900, 355835908, 376767432, 392466075, 405382680, 418630480, 444794885, 450425200, 470959290, 476920800, 502356576, 506728350, 523288100, 533753862, 540510240, 627945720, 675637800, 711671816, 753534864, 784932150, 800630793, 810765360, 837260960, 889589770, 900850400, 941918580, 1013456700, 1046576200, 1067507724, 1177398225, 1255891440, 1334384655, 1351275600, 1423343632, 1507069728, 1569864300, 1601261586, 1621530720, 1779179540, 1883837160, 2026913400, 2093152400, 2135015448, 2223974425, 2354796450, 2511782880, 2668769310, 2702551200, 2846687264, 3139728600, 3202523172, 3558359080, 3767674320, 4003153965, 4053826800, 4186304800, 4270030896, 4447948850, 4709592900, 5337538620, 6279457200, 6405046344, 6671923275, 7116718160, 7535348640, 8006307930, 8107653600, 8540061792, 8895897700, 9419185800, 10675077240, 12558914400, 12810092688, 13343846550, 14233436320, 16012615860, 17791795400, 18838371600, 20015769825, 21350154480, 25620185376, 26687693100, 32025231720, 35583590800, 37676743200, 40031539650, 42700308960, 53375386200, 64050463440, 71167181600, 80063079300, 106750772400, 128100926880, 160126158600, 213501544800, 320252317200, 640504634400]

約数ペア:

[(1, 640504634400), (2, 320252317200), (3, 213501544800), (4, 160126158600), (5, 128100926880), (6, 106750772400), (8, 80063079300), (9, 71167181600), (10, 64050463440), (12, 53375386200), (15, 42700308960), (16, 40031539650), (17, 37676743200), (18, 35583590800), (20, 32025231720), (24, 26687693100), (25, 25620185376), (30, 21350154480), (32, 20015769825), (34, 18838371600), (36, 17791795400), (40, 16012615860), (45, 14233436320), (48, 13343846550), (50, 12810092688), (51, 12558914400), (60, 10675077240), (68, 9419185800), (72, 8895897700), (75, 8540061792), (79, 8107653600), (80, 8006307930), (85, 7535348640), (90, 7116718160), (96, 6671923275), (100, 6405046344), (102, 6279457200), (120, 5337538620), (136, 4709592900), (144, 4447948850), (150, 4270030896), (153, 4186304800), (158, 4053826800), (160, 4003153965), (170, 3767674320), (180, 3558359080), (200, 3202523172), (204, 3139728600), (225, 2846687264), (237, 2702551200), (240, 2668769310), (255, 2511782880), (272, 2354796450), (288, 2223974425), (300, 2135015448), (306, 2093152400), (316, 2026913400), (340, 1883837160), (360, 1779179540), (395, 1621530720), (400, 1601261586), (408, 1569864300), (425, 1507069728), (450, 1423343632), (474, 1351275600), (480, 1334384655), (510, 1255891440), (544, 1177398225), (600, 1067507724), (612, 1046576200), (632, 1013456700), (680, 941918580), (711, 900850400), (720, 889589770), (765, 837260960), (790, 810765360), (800, 800630793), (816, 784932150), (850, 753534864), (900, 711671816), (948, 675637800), (1020, 627945720), (1185, 540510240), (1200, 533753862), (1224, 523288100), (1264, 506728350), (1275, 502356576), (1343, 476920800), (1360, 470959290), (1422, 450425200), (1440, 444794885), (1530, 418630480), (1580, 405382680), (1632, 392466075), (1700, 376767432), (1800, 355835908), (1896, 337818900), (1975, 324306144), (2040, 313972860), (2370, 270255120), (2400, 266876931), (2448, 261644050), (2528, 253364175), (2550, 251178288), (2686, 238460400), (2720, 235479645), (2844, 225212600), (3060, 209315240), (3160, 202691340), (3400, 188383716), (3555, 180170080), (3600, 177917954), (3792, 168909450), (3825, 167452192), (3950, 162153072), (4029, 158973600), (4080, 156986430), (4740, 135127560), (4896, 130822025), (5100, 125589144), (5372, 119230200), (5688, 112606300), (5925, 108102048), (6120, 104657620), (6320, 101345670), (6715, 95384160), (6800, 94191858), (7110, 90085040), (7200, 88958977), (7584, 84454725), (7650, 83726096), (7900, 81076536), (8058, 79486800), (8160, 78493215), (9480, 67563780), (10200, 62794572), (10744, 59615100), (11376, 56303150), (11850, 54051024), (12087, 52991200), (12240, 52328810), (12640, 50672835), (13430, 47692080), (13600, 47095929), (14220, 45042520), (15300, 41863048), (15800, 40538268), (16116, 39743400), (17775, 36034016), (18960, 33781890), (20145, 31794720), (20400, 31397286), (21488, 29807550), (22752, 28151575), (23700, 27025512), (24174, 26495600), (24480, 26164405), (26860, 23846040), (28440, 22521260), (30600, 20931524), (31600, 20269134), (32232, 19871700), (33575, 19076832), (35550, 18017008), (37920, 16890945), (40290, 15897360), (40800, 15698643), (42976, 14903775), (47400, 13512756), (48348, 13247800), (53720, 11923020), (56880, 11260630), (60435, 10598240), (61200, 10465762), (63200, 10134567), (64464, 9935850), (66239, 9669600), (67150, 9538416), (71100, 9008504), (80580, 7948680), (94800, 6756378), (96696, 6623900), (100725, 6358944), (107440, 5961510), (113760, 5630315), (120870, 5299120), (122400, 5232881), (128928, 4967925), (132478, 4834800), (134300, 4769208), (142200, 4504252), (161160, 3974340), (189600, 3378189), (193392, 3311950), (198717, 3223200), (201450, 3179472), (214880, 2980755), (241740, 2649560), (264956, 2417400), (268600, 2384604), (284400, 2252126), (302175, 2119648), (322320, 1987170), (331195, 1933920), (386784, 1655975), (397434, 1611600), (402900, 1589736), (483480, 1324780), (529912, 1208700), (537200, 1192302), (568800, 1126063), (596151, 1074400), (604350, 1059824), (644640, 993585), (662390, 966960), (794868, 805800)]