81132584960

素因数分解:

$2^{16}\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 408

約数和(自身を含む): 235248327936

約数和(自身を除く): 154115742976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 128, 140, 155, 160, 163, 196, 217, 224, 245, 248, 256, 280, 310, 320, 326, 392, 434, 448, 490, 496, 512, 560, 620, 640, 652, 784, 815, 868, 896, 980, 992, 1024, 1085, 1120, 1141, 1240, 1280, 1304, 1519, 1568, 1630, 1736, 1792, 1960, 1984, 2048, 2170, 2240, 2282, 2480, 2560, 2608, 3038, 3136, 3260, 3472, 3584, 3920, 3968, 4096, 4340, 4480, 4564, 4960, 5053, 5120, 5216, 5705, 6076, 6272, 6520, 6944, 7168, 7595, 7840, 7936, 7987, 8192, 8680, 8960, 9128, 9920, 10106, 10240, 10432, 11410, 12152, 12544, 13040, 13888, 14336, 15190, 15680, 15872, 15974, 16384, 17360, 17920, 18256, 19840, 20212, 20480, 20864, 22820, 24304, 25088, 25265, 26080, 27776, 28672, 30380, 31360, 31744, 31948, 32768, 34720, 35371, 35840, 36512, 39680, 39935, 40424, 40960, 41728, 45640, 48608, 50176, 50530, 52160, 55552, 57344, 60760, 62720, 63488, 63896, 65536, 69440, 70742, 71680, 73024, 79360, 79870, 80848, 81920, 83456, 91280, 97216, 100352, 101060, 104320, 111104, 114688, 121520, 125440, 126976, 127792, 138880, 141484, 143360, 146048, 158720, 159740, 161696, 163840, 166912, 176855, 182560, 194432, 200704, 202120, 208640, 222208, 229376, 243040, 247597, 250880, 253952, 255584, 277760, 282968, 286720, 292096, 317440, 319480, 323392, 327680, 333824, 353710, 365120, 388864, 401408, 404240, 417280, 444416, 458752, 486080, 495194, 501760, 507904, 511168, 555520, 565936, 573440, 584192, 634880, 638960, 646784, 667648, 707420, 730240, 777728, 802816, 808480, 834560, 888832, 972160, 990388, 1003520, 1015808, 1022336, 1111040, 1131872, 1146880, 1168384, 1237985, 1269760, 1277920, 1293568, 1335296, 1414840, 1460480, 1555456, 1605632, 1616960, 1669120, 1777664, 1944320, 1980776, 2007040, 2031616, 2044672, 2222080, 2263744, 2293760, 2336768, 2475970, 2539520, 2555840, 2587136, 2670592, 2829680, 2920960, 3110912, 3211264, 3233920, 3338240, 3555328, 3888640, 3961552, 4014080, 4089344, 4444160, 4527488, 4673536, 4951940, 5079040, 5111680, 5174272, 5341184, 5659360, 5841920, 6221824, 6467840, 6676480, 7110656, 7777280, 7923104, 8028160, 8178688, 8888320, 9054976, 9347072, 9903880, 10158080, 10223360, 10348544, 10682368, 11318720, 11683840, 12443648, 12935680, 13352960, 14221312, 15554560, 15846208, 16056320, 16357376, 17776640, 18109952, 18694144, 19807760, 20446720, 20697088, 22637440, 23367680, 24887296, 25871360, 26705920, 31109120, 31692416, 32714752, 35553280, 36219904, 37388288, 39615520, 40893440, 41394176, 45274880, 46735360, 49774592, 51742720, 53411840, 62218240, 63384832, 65429504, 71106560, 72439808, 74776576, 79231040, 81786880, 82788352, 90549760, 93470720, 99549184, 103485440, 124436480, 126769664, 130859008, 144879616, 158462080, 163573760, 165576704, 181099520, 186941440, 206970880, 248872960, 253539328, 261718016, 289759232, 316924160, 327147520, 331153408, 362199040, 373882880, 413941760, 497745920, 507078656, 523436032, 579518464, 633848320, 654295040, 724398080, 827883520, 1014157312, 1159036928, 1267696640, 1308590080, 1448796160, 1655767040, 2028314624, 2318073856, 2535393280, 2617180160, 2897592320, 4056629248, 5070786560, 5795184640, 8113258496, 10141573120, 11590369280, 16226516992, 20283146240, 40566292480, 81132584960]

約数ペア:

[(1, 81132584960), (2, 40566292480), (4, 20283146240), (5, 16226516992), (7, 11590369280), (8, 10141573120), (10, 8113258496), (14, 5795184640), (16, 5070786560), (20, 4056629248), (28, 2897592320), (31, 2617180160), (32, 2535393280), (35, 2318073856), (40, 2028314624), (49, 1655767040), (56, 1448796160), (62, 1308590080), (64, 1267696640), (70, 1159036928), (80, 1014157312), (98, 827883520), (112, 724398080), (124, 654295040), (128, 633848320), (140, 579518464), (155, 523436032), (160, 507078656), (163, 497745920), (196, 413941760), (217, 373882880), (224, 362199040), (245, 331153408), (248, 327147520), (256, 316924160), (280, 289759232), (310, 261718016), (320, 253539328), (326, 248872960), (392, 206970880), (434, 186941440), (448, 181099520), (490, 165576704), (496, 163573760), (512, 158462080), (560, 144879616), (620, 130859008), (640, 126769664), (652, 124436480), (784, 103485440), (815, 99549184), (868, 93470720), (896, 90549760), (980, 82788352), (992, 81786880), (1024, 79231040), (1085, 74776576), (1120, 72439808), (1141, 71106560), (1240, 65429504), (1280, 63384832), (1304, 62218240), (1519, 53411840), (1568, 51742720), (1630, 49774592), (1736, 46735360), (1792, 45274880), (1960, 41394176), (1984, 40893440), (2048, 39615520), (2170, 37388288), (2240, 36219904), (2282, 35553280), (2480, 32714752), (2560, 31692416), (2608, 31109120), (3038, 26705920), (3136, 25871360), (3260, 24887296), (3472, 23367680), (3584, 22637440), (3920, 20697088), (3968, 20446720), (4096, 19807760), (4340, 18694144), (4480, 18109952), (4564, 17776640), (4960, 16357376), (5053, 16056320), (5120, 15846208), (5216, 15554560), (5705, 14221312), (6076, 13352960), (6272, 12935680), (6520, 12443648), (6944, 11683840), (7168, 11318720), (7595, 10682368), (7840, 10348544), (7936, 10223360), (7987, 10158080), (8192, 9903880), (8680, 9347072), (8960, 9054976), (9128, 8888320), (9920, 8178688), (10106, 8028160), (10240, 7923104), (10432, 7777280), (11410, 7110656), (12152, 6676480), (12544, 6467840), (13040, 6221824), (13888, 5841920), (14336, 5659360), (15190, 5341184), (15680, 5174272), (15872, 5111680), (15974, 5079040), (16384, 4951940), (17360, 4673536), (17920, 4527488), (18256, 4444160), (19840, 4089344), (20212, 4014080), (20480, 3961552), (20864, 3888640), (22820, 3555328), (24304, 3338240), (25088, 3233920), (25265, 3211264), (26080, 3110912), (27776, 2920960), (28672, 2829680), (30380, 2670592), (31360, 2587136), (31744, 2555840), (31948, 2539520), (32768, 2475970), (34720, 2336768), (35371, 2293760), (35840, 2263744), (36512, 2222080), (39680, 2044672), (39935, 2031616), (40424, 2007040), (40960, 1980776), (41728, 1944320), (45640, 1777664), (48608, 1669120), (50176, 1616960), (50530, 1605632), (52160, 1555456), (55552, 1460480), (57344, 1414840), (60760, 1335296), (62720, 1293568), (63488, 1277920), (63896, 1269760), (65536, 1237985), (69440, 1168384), (70742, 1146880), (71680, 1131872), (73024, 1111040), (79360, 1022336), (79870, 1015808), (80848, 1003520), (81920, 990388), (83456, 972160), (91280, 888832), (97216, 834560), (100352, 808480), (101060, 802816), (104320, 777728), (111104, 730240), (114688, 707420), (121520, 667648), (125440, 646784), (126976, 638960), (127792, 634880), (138880, 584192), (141484, 573440), (143360, 565936), (146048, 555520), (158720, 511168), (159740, 507904), (161696, 501760), (163840, 495194), (166912, 486080), (176855, 458752), (182560, 444416), (194432, 417280), (200704, 404240), (202120, 401408), (208640, 388864), (222208, 365120), (229376, 353710), (243040, 333824), (247597, 327680), (250880, 323392), (253952, 319480), (255584, 317440), (277760, 292096), (282968, 286720)]