7911438080

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:392

約数の個数: 432

約数和(自身を含む): 24584120064

約数和(自身を除く): 16672681984

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 49, 52, 56, 62, 64, 65, 70, 80, 91, 98, 104, 112, 124, 128, 130, 140, 155, 160, 182, 196, 208, 217, 224, 245, 248, 256, 260, 280, 310, 313, 320, 364, 392, 403, 416, 434, 448, 455, 490, 496, 520, 560, 620, 626, 637, 640, 728, 784, 806, 832, 868, 896, 910, 980, 992, 1040, 1085, 1120, 1240, 1252, 1274, 1280, 1456, 1519, 1565, 1568, 1612, 1664, 1736, 1792, 1820, 1960, 1984, 2015, 2080, 2170, 2191, 2240, 2480, 2504, 2548, 2821, 2912, 3038, 3130, 3136, 3185, 3224, 3328, 3472, 3640, 3920, 3968, 4030, 4069, 4160, 4340, 4382, 4480, 4960, 5008, 5096, 5642, 5824, 6076, 6260, 6272, 6370, 6448, 6944, 7280, 7595, 7840, 7936, 8060, 8138, 8320, 8680, 8764, 8960, 9703, 9920, 10016, 10192, 10955, 11284, 11648, 12152, 12520, 12544, 12740, 12896, 13888, 14105, 14560, 15190, 15337, 15680, 16120, 16276, 16640, 17360, 17528, 19406, 19747, 19840, 20032, 20345, 20384, 21910, 22568, 23296, 24304, 25040, 25480, 25792, 27776, 28210, 28483, 29120, 30380, 30674, 31360, 32240, 32552, 34720, 35056, 38812, 39494, 39680, 40064, 40690, 40768, 43820, 45136, 48515, 48608, 50080, 50960, 51584, 55552, 56420, 56966, 58240, 60760, 61348, 62720, 64480, 65104, 67921, 69440, 70112, 76685, 77624, 78988, 80128, 81380, 81536, 87640, 90272, 97030, 97216, 98735, 100160, 101920, 103168, 112840, 113932, 116480, 121520, 122696, 126139, 128960, 130208, 135842, 138880, 140224, 142415, 153370, 155248, 157976, 162760, 163072, 175280, 180544, 194060, 194432, 197470, 199381, 200320, 203840, 225680, 227864, 243040, 245392, 252278, 257920, 260416, 271684, 277760, 280448, 284830, 306740, 310496, 315952, 325520, 339605, 350560, 361088, 388120, 388864, 394940, 398762, 400640, 407680, 451360, 455728, 475447, 486080, 490784, 504556, 515840, 520832, 543368, 560896, 569660, 613480, 620992, 630695, 631904, 651040, 679210, 701120, 722176, 776240, 789880, 797524, 815360, 882973, 902720, 911456, 950894, 972160, 981568, 996905, 1009112, 1041664, 1086736, 1139320, 1226960, 1241984, 1261390, 1263808, 1302080, 1358420, 1402240, 1552480, 1579760, 1595048, 1765946, 1805440, 1822912, 1901788, 1944320, 1963136, 1993810, 2018224, 2173472, 2278640, 2377235, 2453920, 2483968, 2522780, 2527616, 2604160, 2716840, 2804480, 3104960, 3159520, 3190096, 3531892, 3610880, 3645824, 3803576, 3926272, 3987620, 4036448, 4346944, 4414865, 4557280, 4754470, 4907840, 5045560, 5055232, 5208320, 5433680, 6180811, 6209920, 6319040, 6380192, 7063784, 7291648, 7607152, 7975240, 8072896, 8693888, 8829730, 9114560, 9508940, 9815680, 10091120, 10867360, 12361622, 12419840, 12638080, 12760384, 14127568, 15214304, 15950480, 16145792, 17387776, 17659460, 18229120, 19017880, 19631360, 20182240, 21734720, 24723244, 25276160, 25520768, 28255136, 30428608, 30904055, 31900960, 32291584, 35318920, 36458240, 38035760, 40364480, 43469440, 49446488, 51041536, 56510272, 60857216, 61808110, 63801920, 70637840, 76071520, 80728960, 86938880, 98892976, 113020544, 121714432, 123616220, 127603840, 141275680, 152143040, 161457920, 197785952, 226041088, 247232440, 255207680, 282551360, 304286080, 395571904, 494464880, 565102720, 608572160, 791143808, 988929760, 1130205440, 1582287616, 1977859520, 3955719040, 7911438080]

約数ペア:

[(1, 7911438080), (2, 3955719040), (4, 1977859520), (5, 1582287616), (7, 1130205440), (8, 988929760), (10, 791143808), (13, 608572160), (14, 565102720), (16, 494464880), (20, 395571904), (26, 304286080), (28, 282551360), (31, 255207680), (32, 247232440), (35, 226041088), (40, 197785952), (49, 161457920), (52, 152143040), (56, 141275680), (62, 127603840), (64, 123616220), (65, 121714432), (70, 113020544), (80, 98892976), (91, 86938880), (98, 80728960), (104, 76071520), (112, 70637840), (124, 63801920), (128, 61808110), (130, 60857216), (140, 56510272), (155, 51041536), (160, 49446488), (182, 43469440), (196, 40364480), (208, 38035760), (217, 36458240), (224, 35318920), (245, 32291584), (248, 31900960), (256, 30904055), (260, 30428608), (280, 28255136), (310, 25520768), (313, 25276160), (320, 24723244), (364, 21734720), (392, 20182240), (403, 19631360), (416, 19017880), (434, 18229120), (448, 17659460), (455, 17387776), (490, 16145792), (496, 15950480), (520, 15214304), (560, 14127568), (620, 12760384), (626, 12638080), (637, 12419840), (640, 12361622), (728, 10867360), (784, 10091120), (806, 9815680), (832, 9508940), (868, 9114560), (896, 8829730), (910, 8693888), (980, 8072896), (992, 7975240), (1040, 7607152), (1085, 7291648), (1120, 7063784), (1240, 6380192), (1252, 6319040), (1274, 6209920), (1280, 6180811), (1456, 5433680), (1519, 5208320), (1565, 5055232), (1568, 5045560), (1612, 4907840), (1664, 4754470), (1736, 4557280), (1792, 4414865), (1820, 4346944), (1960, 4036448), (1984, 3987620), (2015, 3926272), (2080, 3803576), (2170, 3645824), (2191, 3610880), (2240, 3531892), (2480, 3190096), (2504, 3159520), (2548, 3104960), (2821, 2804480), (2912, 2716840), (3038, 2604160), (3130, 2527616), (3136, 2522780), (3185, 2483968), (3224, 2453920), (3328, 2377235), (3472, 2278640), (3640, 2173472), (3920, 2018224), (3968, 1993810), (4030, 1963136), (4069, 1944320), (4160, 1901788), (4340, 1822912), (4382, 1805440), (4480, 1765946), (4960, 1595048), (5008, 1579760), (5096, 1552480), (5642, 1402240), (5824, 1358420), (6076, 1302080), (6260, 1263808), (6272, 1261390), (6370, 1241984), (6448, 1226960), (6944, 1139320), (7280, 1086736), (7595, 1041664), (7840, 1009112), (7936, 996905), (8060, 981568), (8138, 972160), (8320, 950894), (8680, 911456), (8764, 902720), (8960, 882973), (9703, 815360), (9920, 797524), (10016, 789880), (10192, 776240), (10955, 722176), (11284, 701120), (11648, 679210), (12152, 651040), (12520, 631904), (12544, 630695), (12740, 620992), (12896, 613480), (13888, 569660), (14105, 560896), (14560, 543368), (15190, 520832), (15337, 515840), (15680, 504556), (16120, 490784), (16276, 486080), (16640, 475447), (17360, 455728), (17528, 451360), (19406, 407680), (19747, 400640), (19840, 398762), (20032, 394940), (20345, 388864), (20384, 388120), (21910, 361088), (22568, 350560), (23296, 339605), (24304, 325520), (25040, 315952), (25480, 310496), (25792, 306740), (27776, 284830), (28210, 280448), (28483, 277760), (29120, 271684), (30380, 260416), (30674, 257920), (31360, 252278), (32240, 245392), (32552, 243040), (34720, 227864), (35056, 225680), (38812, 203840), (39494, 200320), (39680, 199381), (40064, 197470), (40690, 194432), (40768, 194060), (43820, 180544), (45136, 175280), (48515, 163072), (48608, 162760), (50080, 157976), (50960, 155248), (51584, 153370), (55552, 142415), (56420, 140224), (56966, 138880), (58240, 135842), (60760, 130208), (61348, 128960), (62720, 126139), (64480, 122696), (65104, 121520), (67921, 116480), (69440, 113932), (70112, 112840), (76685, 103168), (77624, 101920), (78988, 100160), (80128, 98735), (81380, 97216), (81536, 97030), (87640, 90272)]