257953920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1129}}^1$

素因数の和:1175

約数の個数: 256

約数和(自身を含む): 995846400

約数和(自身を除く): 737892480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 64, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 128, 136, 140, 160, 168, 170, 192, 204, 210, 224, 238, 240, 255, 272, 280, 320, 336, 340, 357, 384, 408, 420, 448, 476, 480, 510, 544, 560, 595, 640, 672, 680, 714, 816, 840, 896, 952, 960, 1020, 1088, 1120, 1129, 1190, 1344, 1360, 1428, 1632, 1680, 1785, 1904, 1920, 2040, 2176, 2240, 2258, 2380, 2688, 2720, 2856, 3264, 3360, 3387, 3570, 3808, 4080, 4480, 4516, 4760, 5440, 5645, 5712, 6528, 6720, 6774, 7140, 7616, 7903, 8160, 9032, 9520, 10880, 11290, 11424, 13440, 13548, 14280, 15232, 15806, 16320, 16935, 18064, 19040, 19193, 22580, 22848, 23709, 27096, 28560, 31612, 32640, 33870, 36128, 38080, 38386, 39515, 45160, 45696, 47418, 54192, 57120, 57579, 63224, 67740, 72256, 76160, 76772, 79030, 90320, 94836, 95965, 108384, 114240, 115158, 118545, 126448, 134351, 135480, 144512, 153544, 158060, 180640, 189672, 191930, 216768, 228480, 230316, 237090, 252896, 268702, 270960, 287895, 307088, 316120, 361280, 379344, 383860, 403053, 433536, 460632, 474180, 505792, 537404, 541920, 575790, 614176, 632240, 671755, 722560, 758688, 767720, 806106, 921264, 948360, 1011584, 1074808, 1083840, 1151580, 1228352, 1264480, 1343510, 1517376, 1535440, 1612212, 1842528, 1896720, 2015265, 2149616, 2167680, 2303160, 2456704, 2528960, 2687020, 3034752, 3070880, 3224424, 3685056, 3793440, 4030530, 4299232, 4606320, 5057920, 5374040, 6141760, 6448848, 7370112, 7586880, 8061060, 8598464, 9212640, 10748080, 12283520, 12897696, 15173760, 16122120, 17196928, 18425280, 21496160, 25795392, 32244240, 36850560, 42992320, 51590784, 64488480, 85984640, 128976960, 257953920]

約数ペア:

[(1, 257953920), (2, 128976960), (3, 85984640), (4, 64488480), (5, 51590784), (6, 42992320), (7, 36850560), (8, 32244240), (10, 25795392), (12, 21496160), (14, 18425280), (15, 17196928), (16, 16122120), (17, 15173760), (20, 12897696), (21, 12283520), (24, 10748080), (28, 9212640), (30, 8598464), (32, 8061060), (34, 7586880), (35, 7370112), (40, 6448848), (42, 6141760), (48, 5374040), (51, 5057920), (56, 4606320), (60, 4299232), (64, 4030530), (68, 3793440), (70, 3685056), (80, 3224424), (84, 3070880), (85, 3034752), (96, 2687020), (102, 2528960), (105, 2456704), (112, 2303160), (119, 2167680), (120, 2149616), (128, 2015265), (136, 1896720), (140, 1842528), (160, 1612212), (168, 1535440), (170, 1517376), (192, 1343510), (204, 1264480), (210, 1228352), (224, 1151580), (238, 1083840), (240, 1074808), (255, 1011584), (272, 948360), (280, 921264), (320, 806106), (336, 767720), (340, 758688), (357, 722560), (384, 671755), (408, 632240), (420, 614176), (448, 575790), (476, 541920), (480, 537404), (510, 505792), (544, 474180), (560, 460632), (595, 433536), (640, 403053), (672, 383860), (680, 379344), (714, 361280), (816, 316120), (840, 307088), (896, 287895), (952, 270960), (960, 268702), (1020, 252896), (1088, 237090), (1120, 230316), (1129, 228480), (1190, 216768), (1344, 191930), (1360, 189672), (1428, 180640), (1632, 158060), (1680, 153544), (1785, 144512), (1904, 135480), (1920, 134351), (2040, 126448), (2176, 118545), (2240, 115158), (2258, 114240), (2380, 108384), (2688, 95965), (2720, 94836), (2856, 90320), (3264, 79030), (3360, 76772), (3387, 76160), (3570, 72256), (3808, 67740), (4080, 63224), (4480, 57579), (4516, 57120), (4760, 54192), (5440, 47418), (5645, 45696), (5712, 45160), (6528, 39515), (6720, 38386), (6774, 38080), (7140, 36128), (7616, 33870), (7903, 32640), (8160, 31612), (9032, 28560), (9520, 27096), (10880, 23709), (11290, 22848), (11424, 22580), (13440, 19193), (13548, 19040), (14280, 18064), (15232, 16935), (15806, 16320)]