255961440

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:474

約数の個数: 288

約数和(自身を含む): 1015822080

約数和(自身を除く): 759860640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 67, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 134, 140, 144, 160, 168, 180, 201, 210, 224, 240, 252, 268, 280, 288, 315, 335, 336, 360, 379, 402, 420, 469, 480, 504, 536, 560, 603, 630, 670, 672, 720, 758, 804, 840, 938, 1005, 1008, 1072, 1120, 1137, 1206, 1260, 1340, 1407, 1440, 1516, 1608, 1680, 1876, 1895, 2010, 2016, 2144, 2274, 2345, 2412, 2520, 2653, 2680, 2814, 3015, 3032, 3216, 3360, 3411, 3752, 3790, 4020, 4221, 4548, 4690, 4824, 5040, 5306, 5360, 5628, 5685, 6030, 6064, 6432, 6822, 7035, 7504, 7580, 7959, 8040, 8442, 9096, 9380, 9648, 10080, 10612, 10720, 11256, 11370, 12060, 12128, 13265, 13644, 14070, 15008, 15160, 15918, 16080, 16884, 17055, 18192, 18760, 19296, 21105, 21224, 22512, 22740, 23877, 24120, 25393, 26530, 27288, 28140, 30320, 31836, 32160, 33768, 34110, 36384, 37520, 39795, 42210, 42448, 45024, 45480, 47754, 48240, 50786, 53060, 54576, 56280, 60640, 63672, 67536, 68220, 75040, 76179, 79590, 84420, 84896, 90960, 95508, 96480, 101572, 106120, 109152, 112560, 119385, 126965, 127344, 135072, 136440, 152358, 159180, 168840, 177751, 181920, 191016, 203144, 212240, 225120, 228537, 238770, 253930, 254688, 272880, 304716, 318360, 337680, 355502, 380895, 382032, 406288, 424480, 457074, 477540, 507860, 533253, 545760, 609432, 636720, 675360, 711004, 761790, 764064, 812576, 888755, 914148, 955080, 1015720, 1066506, 1142685, 1218864, 1273440, 1422008, 1523580, 1599759, 1777510, 1828296, 1910160, 2031440, 2133012, 2285370, 2437728, 2666265, 2844016, 3047160, 3199518, 3555020, 3656592, 3820320, 4062880, 4266024, 4570740, 5332530, 5688032, 6094320, 6399036, 7110040, 7313184, 7998795, 8532048, 9141480, 10665060, 12188640, 12798072, 14220080, 15997590, 17064096, 18282960, 21330120, 25596144, 28440160, 31995180, 36565920, 42660240, 51192288, 63990360, 85320480, 127980720, 255961440]

約数ペア:

[(1, 255961440), (2, 127980720), (3, 85320480), (4, 63990360), (5, 51192288), (6, 42660240), (7, 36565920), (8, 31995180), (9, 28440160), (10, 25596144), (12, 21330120), (14, 18282960), (15, 17064096), (16, 15997590), (18, 14220080), (20, 12798072), (21, 12188640), (24, 10665060), (28, 9141480), (30, 8532048), (32, 7998795), (35, 7313184), (36, 7110040), (40, 6399036), (42, 6094320), (45, 5688032), (48, 5332530), (56, 4570740), (60, 4266024), (63, 4062880), (67, 3820320), (70, 3656592), (72, 3555020), (80, 3199518), (84, 3047160), (90, 2844016), (96, 2666265), (105, 2437728), (112, 2285370), (120, 2133012), (126, 2031440), (134, 1910160), (140, 1828296), (144, 1777510), (160, 1599759), (168, 1523580), (180, 1422008), (201, 1273440), (210, 1218864), (224, 1142685), (240, 1066506), (252, 1015720), (268, 955080), (280, 914148), (288, 888755), (315, 812576), (335, 764064), (336, 761790), (360, 711004), (379, 675360), (402, 636720), (420, 609432), (469, 545760), (480, 533253), (504, 507860), (536, 477540), (560, 457074), (603, 424480), (630, 406288), (670, 382032), (672, 380895), (720, 355502), (758, 337680), (804, 318360), (840, 304716), (938, 272880), (1005, 254688), (1008, 253930), (1072, 238770), (1120, 228537), (1137, 225120), (1206, 212240), (1260, 203144), (1340, 191016), (1407, 181920), (1440, 177751), (1516, 168840), (1608, 159180), (1680, 152358), (1876, 136440), (1895, 135072), (2010, 127344), (2016, 126965), (2144, 119385), (2274, 112560), (2345, 109152), (2412, 106120), (2520, 101572), (2653, 96480), (2680, 95508), (2814, 90960), (3015, 84896), (3032, 84420), (3216, 79590), (3360, 76179), (3411, 75040), (3752, 68220), (3790, 67536), (4020, 63672), (4221, 60640), (4548, 56280), (4690, 54576), (4824, 53060), (5040, 50786), (5306, 48240), (5360, 47754), (5628, 45480), (5685, 45024), (6030, 42448), (6064, 42210), (6432, 39795), (6822, 37520), (7035, 36384), (7504, 34110), (7580, 33768), (7959, 32160), (8040, 31836), (8442, 30320), (9096, 28140), (9380, 27288), (9648, 26530), (10080, 25393), (10612, 24120), (10720, 23877), (11256, 22740), (11370, 22512), (12060, 21224), (12128, 21105), (13265, 19296), (13644, 18760), (14070, 18192), (15008, 17055), (15160, 16884), (15918, 16080)]