20765588480

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6367}}^1$

素因数の和:6419

約数の個数: 264

約数和(自身を含む): 62412997248

約数和(自身を除く): 41647408768

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 208, 224, 245, 256, 260, 280, 320, 364, 392, 416, 448, 455, 490, 512, 520, 560, 637, 640, 728, 784, 832, 896, 910, 980, 1024, 1040, 1120, 1274, 1280, 1456, 1568, 1664, 1792, 1820, 1960, 2080, 2240, 2548, 2560, 2912, 3136, 3185, 3328, 3584, 3640, 3920, 4160, 4480, 5096, 5120, 5824, 6272, 6367, 6370, 6656, 7168, 7280, 7840, 8320, 8960, 10192, 11648, 12544, 12734, 12740, 13312, 14560, 15680, 16640, 17920, 20384, 23296, 25088, 25468, 25480, 29120, 31360, 31835, 33280, 35840, 40768, 44569, 46592, 50176, 50936, 50960, 58240, 62720, 63670, 66560, 81536, 82771, 89138, 93184, 101872, 101920, 116480, 125440, 127340, 163072, 165542, 178276, 203744, 203840, 222845, 232960, 250880, 254680, 311983, 326144, 331084, 356552, 407488, 407680, 413855, 445690, 465920, 509360, 579397, 623966, 652288, 662168, 713104, 814976, 815360, 827710, 891380, 1018720, 1158794, 1247932, 1324336, 1426208, 1559915, 1629952, 1630720, 1655420, 1782760, 2037440, 2317588, 2495864, 2648672, 2852416, 2896985, 3119830, 3259904, 3261440, 3310840, 3565520, 4055779, 4074880, 4635176, 4991728, 5297344, 5704832, 5793970, 6239660, 6519808, 6621680, 7131040, 8111558, 8149760, 9270352, 9983456, 10594688, 11409664, 11587940, 12479320, 13243360, 14262080, 16223116, 16299520, 18540704, 19966912, 20278895, 21189376, 22819328, 23175880, 24958640, 26486720, 28524160, 32446232, 32599040, 37081408, 39933824, 40557790, 42378752, 45638656, 46351760, 49917280, 52973440, 57048320, 64892464, 74162816, 79867648, 81115580, 84757504, 92703520, 99834560, 105946880, 114096640, 129784928, 148325632, 159735296, 162231160, 185407040, 199669120, 211893760, 228193280, 259569856, 296651264, 319470592, 324462320, 370814080, 399338240, 423787520, 519139712, 593302528, 648924640, 741628160, 798676480, 1038279424, 1297849280, 1483256320, 1597352960, 2076558848, 2595698560, 2966512640, 4153117696, 5191397120, 10382794240, 20765588480]

約数ペア:

[(1, 20765588480), (2, 10382794240), (4, 5191397120), (5, 4153117696), (7, 2966512640), (8, 2595698560), (10, 2076558848), (13, 1597352960), (14, 1483256320), (16, 1297849280), (20, 1038279424), (26, 798676480), (28, 741628160), (32, 648924640), (35, 593302528), (40, 519139712), (49, 423787520), (52, 399338240), (56, 370814080), (64, 324462320), (65, 319470592), (70, 296651264), (80, 259569856), (91, 228193280), (98, 211893760), (104, 199669120), (112, 185407040), (128, 162231160), (130, 159735296), (140, 148325632), (160, 129784928), (182, 114096640), (196, 105946880), (208, 99834560), (224, 92703520), (245, 84757504), (256, 81115580), (260, 79867648), (280, 74162816), (320, 64892464), (364, 57048320), (392, 52973440), (416, 49917280), (448, 46351760), (455, 45638656), (490, 42378752), (512, 40557790), (520, 39933824), (560, 37081408), (637, 32599040), (640, 32446232), (728, 28524160), (784, 26486720), (832, 24958640), (896, 23175880), (910, 22819328), (980, 21189376), (1024, 20278895), (1040, 19966912), (1120, 18540704), (1274, 16299520), (1280, 16223116), (1456, 14262080), (1568, 13243360), (1664, 12479320), (1792, 11587940), (1820, 11409664), (1960, 10594688), (2080, 9983456), (2240, 9270352), (2548, 8149760), (2560, 8111558), (2912, 7131040), (3136, 6621680), (3185, 6519808), (3328, 6239660), (3584, 5793970), (3640, 5704832), (3920, 5297344), (4160, 4991728), (4480, 4635176), (5096, 4074880), (5120, 4055779), (5824, 3565520), (6272, 3310840), (6367, 3261440), (6370, 3259904), (6656, 3119830), (7168, 2896985), (7280, 2852416), (7840, 2648672), (8320, 2495864), (8960, 2317588), (10192, 2037440), (11648, 1782760), (12544, 1655420), (12734, 1630720), (12740, 1629952), (13312, 1559915), (14560, 1426208), (15680, 1324336), (16640, 1247932), (17920, 1158794), (20384, 1018720), (23296, 891380), (25088, 827710), (25468, 815360), (25480, 814976), (29120, 713104), (31360, 662168), (31835, 652288), (33280, 623966), (35840, 579397), (40768, 509360), (44569, 465920), (46592, 445690), (50176, 413855), (50936, 407680), (50960, 407488), (58240, 356552), (62720, 331084), (63670, 326144), (66560, 311983), (81536, 254680), (82771, 250880), (89138, 232960), (93184, 222845), (101872, 203840), (101920, 203744), (116480, 178276), (125440, 165542), (127340, 163072)]