278983440

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:268

約数の個数: 240

約数和(自身を含む): 987936768

約数和(自身を除く): 708953328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 113, 120, 127, 135, 144, 162, 180, 216, 226, 240, 243, 254, 270, 324, 339, 360, 381, 405, 432, 452, 486, 508, 540, 565, 635, 648, 678, 720, 762, 810, 904, 972, 1016, 1017, 1080, 1130, 1143, 1215, 1270, 1296, 1356, 1524, 1620, 1695, 1808, 1905, 1944, 2032, 2034, 2160, 2260, 2286, 2430, 2540, 2712, 3048, 3051, 3240, 3390, 3429, 3810, 3888, 4068, 4520, 4572, 4860, 5080, 5085, 5424, 5715, 6096, 6102, 6480, 6780, 6858, 7620, 8136, 9040, 9144, 9153, 9720, 10160, 10170, 10287, 11430, 12204, 13560, 13716, 14351, 15240, 15255, 16272, 17145, 18288, 18306, 19440, 20340, 20574, 22860, 24408, 27120, 27432, 27459, 28702, 30480, 30510, 30861, 34290, 36612, 40680, 41148, 43053, 45720, 45765, 48816, 51435, 54864, 54918, 57404, 61020, 61722, 68580, 71755, 73224, 81360, 82296, 86106, 91440, 91530, 102870, 109836, 114808, 122040, 123444, 129159, 137160, 137295, 143510, 146448, 154305, 164592, 172212, 183060, 205740, 215265, 219672, 229616, 244080, 246888, 258318, 274320, 274590, 287020, 308610, 344424, 366120, 387477, 411480, 430530, 439344, 493776, 516636, 549180, 574040, 617220, 645795, 688848, 732240, 774954, 822960, 861060, 1033272, 1098360, 1148080, 1162431, 1234440, 1291590, 1549908, 1722120, 1937385, 2066544, 2196720, 2324862, 2468880, 2583180, 3099816, 3444240, 3487293, 3874770, 4649724, 5166360, 5812155, 6199632, 6974586, 7749540, 9299448, 10332720, 11624310, 13949172, 15499080, 17436465, 18598896, 23248620, 27898344, 30998160, 34872930, 46497240, 55796688, 69745860, 92994480, 139491720, 278983440]

約数ペア:

[(1, 278983440), (2, 139491720), (3, 92994480), (4, 69745860), (5, 55796688), (6, 46497240), (8, 34872930), (9, 30998160), (10, 27898344), (12, 23248620), (15, 18598896), (16, 17436465), (18, 15499080), (20, 13949172), (24, 11624310), (27, 10332720), (30, 9299448), (36, 7749540), (40, 6974586), (45, 6199632), (48, 5812155), (54, 5166360), (60, 4649724), (72, 3874770), (80, 3487293), (81, 3444240), (90, 3099816), (108, 2583180), (113, 2468880), (120, 2324862), (127, 2196720), (135, 2066544), (144, 1937385), (162, 1722120), (180, 1549908), (216, 1291590), (226, 1234440), (240, 1162431), (243, 1148080), (254, 1098360), (270, 1033272), (324, 861060), (339, 822960), (360, 774954), (381, 732240), (405, 688848), (432, 645795), (452, 617220), (486, 574040), (508, 549180), (540, 516636), (565, 493776), (635, 439344), (648, 430530), (678, 411480), (720, 387477), (762, 366120), (810, 344424), (904, 308610), (972, 287020), (1016, 274590), (1017, 274320), (1080, 258318), (1130, 246888), (1143, 244080), (1215, 229616), (1270, 219672), (1296, 215265), (1356, 205740), (1524, 183060), (1620, 172212), (1695, 164592), (1808, 154305), (1905, 146448), (1944, 143510), (2032, 137295), (2034, 137160), (2160, 129159), (2260, 123444), (2286, 122040), (2430, 114808), (2540, 109836), (2712, 102870), (3048, 91530), (3051, 91440), (3240, 86106), (3390, 82296), (3429, 81360), (3810, 73224), (3888, 71755), (4068, 68580), (4520, 61722), (4572, 61020), (4860, 57404), (5080, 54918), (5085, 54864), (5424, 51435), (5715, 48816), (6096, 45765), (6102, 45720), (6480, 43053), (6780, 41148), (6858, 40680), (7620, 36612), (8136, 34290), (9040, 30861), (9144, 30510), (9153, 30480), (9720, 28702), (10160, 27459), (10170, 27432), (10287, 27120), (11430, 24408), (12204, 22860), (13560, 20574), (13716, 20340), (14351, 19440), (15240, 18306), (15255, 18288), (16272, 17145)]