281240960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:489

約数の個数: 256

約数和(自身を含む): 904780800

約数和(自身を除く): 623539840

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, 416, 439, 440, 448, 455, 520, 560, 572, 616, 640, 704, 715, 728, 770, 832, 878, 880, 896, 910, 1001, 1040, 1120, 1144, 1232, 1408, 1430, 1456, 1540, 1664, 1756, 1760, 1820, 2002, 2080, 2195, 2240, 2288, 2464, 2860, 2912, 3073, 3080, 3512, 3520, 3640, 4004, 4160, 4390, 4480, 4576, 4829, 4928, 5005, 5707, 5720, 5824, 6146, 6160, 7024, 7040, 7280, 8008, 8320, 8780, 9152, 9658, 9856, 10010, 11414, 11440, 11648, 12292, 12320, 14048, 14560, 15365, 16016, 17560, 18304, 19316, 20020, 22828, 22880, 24145, 24584, 24640, 28096, 28535, 29120, 30730, 32032, 33803, 35120, 38632, 39949, 40040, 45656, 45760, 48290, 49168, 49280, 56192, 57070, 58240, 61460, 62777, 64064, 67606, 70240, 77264, 79898, 80080, 91312, 91520, 96580, 98336, 114140, 122920, 125554, 128128, 135212, 140480, 154528, 159796, 160160, 169015, 182624, 193160, 196672, 199745, 228280, 245840, 251108, 270424, 280960, 309056, 313885, 319592, 320320, 338030, 365248, 386320, 393344, 399490, 439439, 456560, 491680, 502216, 540848, 618112, 627770, 639184, 640640, 676060, 730496, 772640, 798980, 878878, 913120, 983360, 1004432, 1081696, 1255540, 1278368, 1352120, 1545280, 1597960, 1757756, 1826240, 1966720, 2008864, 2163392, 2197195, 2511080, 2556736, 2704240, 3090560, 3195920, 3515512, 3652480, 4017728, 4326784, 4394390, 5022160, 5113472, 5408480, 6391840, 7031024, 8035456, 8788780, 10044320, 10816960, 12783680, 14062048, 17577560, 20088640, 21633920, 25567360, 28124096, 35155120, 40177280, 56248192, 70310240, 140620480, 281240960]

約数ペア:

[(1, 281240960), (2, 140620480), (4, 70310240), (5, 56248192), (7, 40177280), (8, 35155120), (10, 28124096), (11, 25567360), (13, 21633920), (14, 20088640), (16, 17577560), (20, 14062048), (22, 12783680), (26, 10816960), (28, 10044320), (32, 8788780), (35, 8035456), (40, 7031024), (44, 6391840), (52, 5408480), (55, 5113472), (56, 5022160), (64, 4394390), (65, 4326784), (70, 4017728), (77, 3652480), (80, 3515512), (88, 3195920), (91, 3090560), (104, 2704240), (110, 2556736), (112, 2511080), (128, 2197195), (130, 2163392), (140, 2008864), (143, 1966720), (154, 1826240), (160, 1757756), (176, 1597960), (182, 1545280), (208, 1352120), (220, 1278368), (224, 1255540), (260, 1081696), (280, 1004432), (286, 983360), (308, 913120), (320, 878878), (352, 798980), (364, 772640), (385, 730496), (416, 676060), (439, 640640), (440, 639184), (448, 627770), (455, 618112), (520, 540848), (560, 502216), (572, 491680), (616, 456560), (640, 439439), (704, 399490), (715, 393344), (728, 386320), (770, 365248), (832, 338030), (878, 320320), (880, 319592), (896, 313885), (910, 309056), (1001, 280960), (1040, 270424), (1120, 251108), (1144, 245840), (1232, 228280), (1408, 199745), (1430, 196672), (1456, 193160), (1540, 182624), (1664, 169015), (1756, 160160), (1760, 159796), (1820, 154528), (2002, 140480), (2080, 135212), (2195, 128128), (2240, 125554), (2288, 122920), (2464, 114140), (2860, 98336), (2912, 96580), (3073, 91520), (3080, 91312), (3512, 80080), (3520, 79898), (3640, 77264), (4004, 70240), (4160, 67606), (4390, 64064), (4480, 62777), (4576, 61460), (4829, 58240), (4928, 57070), (5005, 56192), (5707, 49280), (5720, 49168), (5824, 48290), (6146, 45760), (6160, 45656), (7024, 40040), (7040, 39949), (7280, 38632), (8008, 35120), (8320, 33803), (8780, 32032), (9152, 30730), (9658, 29120), (9856, 28535), (10010, 28096), (11414, 24640), (11440, 24584), (11648, 24145), (12292, 22880), (12320, 22828), (14048, 20020), (14560, 19316), (15365, 18304), (16016, 17560)]