256416160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1601}}^1$

素因数の和:1647

約数の個数: 192

約数和(自身を含む): 813867264

約数和(自身を除く): 557451104

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, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 160, 176, 182, 208, 220, 224, 260, 280, 286, 308, 352, 364, 385, 416, 440, 455, 520, 560, 572, 616, 715, 728, 770, 880, 910, 1001, 1040, 1120, 1144, 1232, 1430, 1456, 1540, 1601, 1760, 1820, 2002, 2080, 2288, 2464, 2860, 2912, 3080, 3202, 3640, 4004, 4576, 5005, 5720, 6160, 6404, 7280, 8005, 8008, 10010, 11207, 11440, 12320, 12808, 14560, 16010, 16016, 17611, 20020, 20813, 22414, 22880, 25616, 32020, 32032, 35222, 40040, 41626, 44828, 51232, 56035, 64040, 70444, 80080, 83252, 88055, 89656, 104065, 112070, 123277, 128080, 140888, 145691, 160160, 166504, 176110, 179312, 208130, 224140, 228943, 246554, 256160, 281776, 291382, 333008, 352220, 358624, 416260, 448280, 457886, 493108, 563552, 582764, 616385, 666016, 704440, 728455, 832520, 896560, 915772, 986216, 1144715, 1165528, 1232770, 1408880, 1456910, 1602601, 1665040, 1793120, 1831544, 1972432, 2289430, 2331056, 2465540, 2817760, 2913820, 3205202, 3330080, 3663088, 3944864, 4578860, 4662112, 4931080, 5827640, 6410404, 7326176, 8013005, 9157720, 9862160, 11655280, 12820808, 16026010, 18315440, 19724320, 23310560, 25641616, 32052020, 36630880, 51283232, 64104040, 128208080, 256416160]

約数ペア:

[(1, 256416160), (2, 128208080), (4, 64104040), (5, 51283232), (7, 36630880), (8, 32052020), (10, 25641616), (11, 23310560), (13, 19724320), (14, 18315440), (16, 16026010), (20, 12820808), (22, 11655280), (26, 9862160), (28, 9157720), (32, 8013005), (35, 7326176), (40, 6410404), (44, 5827640), (52, 4931080), (55, 4662112), (56, 4578860), (65, 3944864), (70, 3663088), (77, 3330080), (80, 3205202), (88, 2913820), (91, 2817760), (104, 2465540), (110, 2331056), (112, 2289430), (130, 1972432), (140, 1831544), (143, 1793120), (154, 1665040), (160, 1602601), (176, 1456910), (182, 1408880), (208, 1232770), (220, 1165528), (224, 1144715), (260, 986216), (280, 915772), (286, 896560), (308, 832520), (352, 728455), (364, 704440), (385, 666016), (416, 616385), (440, 582764), (455, 563552), (520, 493108), (560, 457886), (572, 448280), (616, 416260), (715, 358624), (728, 352220), (770, 333008), (880, 291382), (910, 281776), (1001, 256160), (1040, 246554), (1120, 228943), (1144, 224140), (1232, 208130), (1430, 179312), (1456, 176110), (1540, 166504), (1601, 160160), (1760, 145691), (1820, 140888), (2002, 128080), (2080, 123277), (2288, 112070), (2464, 104065), (2860, 89656), (2912, 88055), (3080, 83252), (3202, 80080), (3640, 70444), (4004, 64040), (4576, 56035), (5005, 51232), (5720, 44828), (6160, 41626), (6404, 40040), (7280, 35222), (8005, 32032), (8008, 32020), (10010, 25616), (11207, 22880), (11440, 22414), (12320, 20813), (12808, 20020), (14560, 17611), (16010, 16016)]