257160960

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{1063}}^1$

素因数の和:1100

約数の個数: 288

約数和(自身を含む): 1043911680

約数和(自身を除く): 786750720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1063, 1080, 1120, 1152, 1260, 1280, 1344, 1440, 1512, 1680, 1728, 1792, 1890, 1920, 2016, 2126, 2160, 2240, 2304, 2520, 2688, 2880, 3024, 3189, 3360, 3456, 3780, 3840, 4032, 4252, 4320, 4480, 5040, 5315, 5376, 5760, 6048, 6378, 6720, 6912, 7441, 7560, 8064, 8504, 8640, 8960, 9567, 10080, 10630, 11520, 12096, 12756, 13440, 14882, 15120, 15945, 16128, 17008, 17280, 19134, 20160, 21260, 22323, 24192, 25512, 26880, 28701, 29764, 30240, 31890, 34016, 34560, 37205, 38268, 40320, 42520, 44646, 47835, 48384, 51024, 57402, 59528, 60480, 63780, 66969, 68032, 74410, 76536, 80640, 85040, 89292, 95670, 102048, 111615, 114804, 119056, 120960, 127560, 133938, 136064, 143505, 148820, 153072, 170080, 178584, 191340, 200907, 204096, 223230, 229608, 238112, 241920, 255120, 267876, 272128, 287010, 297640, 306144, 334845, 340160, 357168, 382680, 401814, 408192, 446460, 459216, 476224, 510240, 535752, 574020, 595280, 612288, 669690, 680320, 714336, 765360, 803628, 816384, 892920, 918432, 952448, 1004535, 1020480, 1071504, 1148040, 1190560, 1224576, 1339380, 1360640, 1428672, 1530720, 1607256, 1785840, 1836864, 1904896, 2009070, 2040960, 2143008, 2296080, 2381120, 2449152, 2678760, 2857344, 3061440, 3214512, 3571680, 3673728, 4018140, 4081920, 4286016, 4592160, 4762240, 5357520, 5714688, 6122880, 6429024, 7143360, 7347456, 8036280, 8572032, 9184320, 9524480, 10715040, 12245760, 12858048, 14286720, 16072560, 17144064, 18368640, 21430080, 25716096, 28573440, 32145120, 36737280, 42860160, 51432192, 64290240, 85720320, 128580480, 257160960]

約数ペア:

[(1, 257160960), (2, 128580480), (3, 85720320), (4, 64290240), (5, 51432192), (6, 42860160), (7, 36737280), (8, 32145120), (9, 28573440), (10, 25716096), (12, 21430080), (14, 18368640), (15, 17144064), (16, 16072560), (18, 14286720), (20, 12858048), (21, 12245760), (24, 10715040), (27, 9524480), (28, 9184320), (30, 8572032), (32, 8036280), (35, 7347456), (36, 7143360), (40, 6429024), (42, 6122880), (45, 5714688), (48, 5357520), (54, 4762240), (56, 4592160), (60, 4286016), (63, 4081920), (64, 4018140), (70, 3673728), (72, 3571680), (80, 3214512), (84, 3061440), (90, 2857344), (96, 2678760), (105, 2449152), (108, 2381120), (112, 2296080), (120, 2143008), (126, 2040960), (128, 2009070), (135, 1904896), (140, 1836864), (144, 1785840), (160, 1607256), (168, 1530720), (180, 1428672), (189, 1360640), (192, 1339380), (210, 1224576), (216, 1190560), (224, 1148040), (240, 1071504), (252, 1020480), (256, 1004535), (270, 952448), (280, 918432), (288, 892920), (315, 816384), (320, 803628), (336, 765360), (360, 714336), (378, 680320), (384, 669690), (420, 612288), (432, 595280), (448, 574020), (480, 535752), (504, 510240), (540, 476224), (560, 459216), (576, 446460), (630, 408192), (640, 401814), (672, 382680), (720, 357168), (756, 340160), (768, 334845), (840, 306144), (864, 297640), (896, 287010), (945, 272128), (960, 267876), (1008, 255120), (1063, 241920), (1080, 238112), (1120, 229608), (1152, 223230), (1260, 204096), (1280, 200907), (1344, 191340), (1440, 178584), (1512, 170080), (1680, 153072), (1728, 148820), (1792, 143505), (1890, 136064), (1920, 133938), (2016, 127560), (2126, 120960), (2160, 119056), (2240, 114804), (2304, 111615), (2520, 102048), (2688, 95670), (2880, 89292), (3024, 85040), (3189, 80640), (3360, 76536), (3456, 74410), (3780, 68032), (3840, 66969), (4032, 63780), (4252, 60480), (4320, 59528), (4480, 57402), (5040, 51024), (5315, 48384), (5376, 47835), (5760, 44646), (6048, 42520), (6378, 40320), (6720, 38268), (6912, 37205), (7441, 34560), (7560, 34016), (8064, 31890), (8504, 30240), (8640, 29764), (8960, 28701), (9567, 26880), (10080, 25512), (10630, 24192), (11520, 22323), (12096, 21260), (12756, 20160), (13440, 19134), (14882, 17280), (15120, 17008), (15945, 16128)]