254334080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:447

約数の個数: 256

約数和(自身を含む): 818415360

約数和(自身を除く): 564081280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 64, 65, 70, 77, 80, 88, 91, 104, 110, 112, 128, 130, 140, 143, 154, 160, 176, 182, 208, 220, 224, 260, 280, 286, 308, 320, 352, 364, 385, 397, 416, 440, 448, 455, 520, 560, 572, 616, 640, 704, 715, 728, 770, 794, 832, 880, 896, 910, 1001, 1040, 1120, 1144, 1232, 1408, 1430, 1456, 1540, 1588, 1664, 1760, 1820, 1985, 2002, 2080, 2240, 2288, 2464, 2779, 2860, 2912, 3080, 3176, 3520, 3640, 3970, 4004, 4160, 4367, 4480, 4576, 4928, 5005, 5161, 5558, 5720, 5824, 6160, 6352, 7040, 7280, 7940, 8008, 8320, 8734, 9152, 9856, 10010, 10322, 11116, 11440, 11648, 12320, 12704, 13895, 14560, 15880, 16016, 17468, 18304, 20020, 20644, 21835, 22232, 22880, 24640, 25408, 25805, 27790, 29120, 30569, 31760, 32032, 34936, 36127, 40040, 41288, 43670, 44464, 45760, 49280, 50816, 51610, 55580, 56771, 58240, 61138, 63520, 64064, 69872, 72254, 80080, 82576, 87340, 88928, 91520, 103220, 111160, 113542, 122276, 127040, 128128, 139744, 144508, 152845, 160160, 165152, 174680, 177856, 180635, 206440, 222320, 227084, 244552, 254080, 279488, 283855, 289016, 305690, 320320, 330304, 349360, 355712, 361270, 397397, 412880, 444640, 454168, 489104, 558976, 567710, 578032, 611380, 640640, 660608, 698720, 722540, 794794, 825760, 889280, 908336, 978208, 1135420, 1156064, 1222760, 1397440, 1445080, 1589588, 1651520, 1778560, 1816672, 1956416, 1986985, 2270840, 2312128, 2445520, 2794880, 2890160, 3179176, 3303040, 3633344, 3912832, 3973970, 4541680, 4624256, 4891040, 5780320, 6358352, 7266688, 7947940, 9083360, 9782080, 11560640, 12716704, 15895880, 18166720, 19564160, 23121280, 25433408, 31791760, 36333440, 50866816, 63583520, 127167040, 254334080]

約数ペア:

[(1, 254334080), (2, 127167040), (4, 63583520), (5, 50866816), (7, 36333440), (8, 31791760), (10, 25433408), (11, 23121280), (13, 19564160), (14, 18166720), (16, 15895880), (20, 12716704), (22, 11560640), (26, 9782080), (28, 9083360), (32, 7947940), (35, 7266688), (40, 6358352), (44, 5780320), (52, 4891040), (55, 4624256), (56, 4541680), (64, 3973970), (65, 3912832), (70, 3633344), (77, 3303040), (80, 3179176), (88, 2890160), (91, 2794880), (104, 2445520), (110, 2312128), (112, 2270840), (128, 1986985), (130, 1956416), (140, 1816672), (143, 1778560), (154, 1651520), (160, 1589588), (176, 1445080), (182, 1397440), (208, 1222760), (220, 1156064), (224, 1135420), (260, 978208), (280, 908336), (286, 889280), (308, 825760), (320, 794794), (352, 722540), (364, 698720), (385, 660608), (397, 640640), (416, 611380), (440, 578032), (448, 567710), (455, 558976), (520, 489104), (560, 454168), (572, 444640), (616, 412880), (640, 397397), (704, 361270), (715, 355712), (728, 349360), (770, 330304), (794, 320320), (832, 305690), (880, 289016), (896, 283855), (910, 279488), (1001, 254080), (1040, 244552), (1120, 227084), (1144, 222320), (1232, 206440), (1408, 180635), (1430, 177856), (1456, 174680), (1540, 165152), (1588, 160160), (1664, 152845), (1760, 144508), (1820, 139744), (1985, 128128), (2002, 127040), (2080, 122276), (2240, 113542), (2288, 111160), (2464, 103220), (2779, 91520), (2860, 88928), (2912, 87340), (3080, 82576), (3176, 80080), (3520, 72254), (3640, 69872), (3970, 64064), (4004, 63520), (4160, 61138), (4367, 58240), (4480, 56771), (4576, 55580), (4928, 51610), (5005, 50816), (5161, 49280), (5558, 45760), (5720, 44464), (5824, 43670), (6160, 41288), (6352, 40040), (7040, 36127), (7280, 34936), (7940, 32032), (8008, 31760), (8320, 30569), (8734, 29120), (9152, 27790), (9856, 25805), (10010, 25408), (10322, 24640), (11116, 22880), (11440, 22232), (11648, 21835), (12320, 20644), (12704, 20020), (13895, 18304), (14560, 17468), (15880, 16016)]