25420320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 144

約数和(自身を含む): 88058880

約数和(自身を除く): 62638560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 127, 139, 144, 160, 180, 240, 254, 278, 288, 360, 381, 417, 480, 508, 556, 635, 695, 720, 762, 834, 1016, 1112, 1143, 1251, 1270, 1390, 1440, 1524, 1668, 1905, 2032, 2085, 2224, 2286, 2502, 2540, 2780, 3048, 3336, 3810, 4064, 4170, 4448, 4572, 5004, 5080, 5560, 5715, 6096, 6255, 6672, 7620, 8340, 9144, 10008, 10160, 11120, 11430, 12192, 12510, 13344, 15240, 16680, 17653, 18288, 20016, 20320, 22240, 22860, 25020, 30480, 33360, 35306, 36576, 40032, 45720, 50040, 52959, 60960, 66720, 70612, 88265, 91440, 100080, 105918, 141224, 158877, 176530, 182880, 200160, 211836, 264795, 282448, 317754, 353060, 423672, 529590, 564896, 635508, 706120, 794385, 847344, 1059180, 1271016, 1412240, 1588770, 1694688, 2118360, 2542032, 2824480, 3177540, 4236720, 5084064, 6355080, 8473440, 12710160, 25420320]

約数ペア:

[(1, 25420320), (2, 12710160), (3, 8473440), (4, 6355080), (5, 5084064), (6, 4236720), (8, 3177540), (9, 2824480), (10, 2542032), (12, 2118360), (15, 1694688), (16, 1588770), (18, 1412240), (20, 1271016), (24, 1059180), (30, 847344), (32, 794385), (36, 706120), (40, 635508), (45, 564896), (48, 529590), (60, 423672), (72, 353060), (80, 317754), (90, 282448), (96, 264795), (120, 211836), (127, 200160), (139, 182880), (144, 176530), (160, 158877), (180, 141224), (240, 105918), (254, 100080), (278, 91440), (288, 88265), (360, 70612), (381, 66720), (417, 60960), (480, 52959), (508, 50040), (556, 45720), (635, 40032), (695, 36576), (720, 35306), (762, 33360), (834, 30480), (1016, 25020), (1112, 22860), (1143, 22240), (1251, 20320), (1270, 20016), (1390, 18288), (1440, 17653), (1524, 16680), (1668, 15240), (1905, 13344), (2032, 12510), (2085, 12192), (2224, 11430), (2286, 11120), (2502, 10160), (2540, 10008), (2780, 9144), (3048, 8340), (3336, 7620), (3810, 6672), (4064, 6255), (4170, 6096), (4448, 5715), (4572, 5560), (5004, 5080)]