280938240

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{739}}^1$

素因数の和:780

約数の個数: 288

約数和(自身を含む): 1089043200

約数和(自身を除く): 808104960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 128, 132, 135, 144, 160, 165, 176, 180, 192, 198, 216, 220, 240, 256, 264, 270, 288, 297, 320, 330, 352, 360, 384, 396, 432, 440, 480, 495, 528, 540, 576, 594, 640, 660, 704, 720, 739, 768, 792, 864, 880, 960, 990, 1056, 1080, 1152, 1188, 1280, 1320, 1408, 1440, 1478, 1485, 1584, 1728, 1760, 1920, 1980, 2112, 2160, 2217, 2304, 2376, 2640, 2816, 2880, 2956, 2970, 3168, 3456, 3520, 3695, 3840, 3960, 4224, 4320, 4434, 4752, 5280, 5760, 5912, 5940, 6336, 6651, 6912, 7040, 7390, 7920, 8129, 8448, 8640, 8868, 9504, 10560, 11085, 11520, 11824, 11880, 12672, 13302, 14080, 14780, 15840, 16258, 17280, 17736, 19008, 19953, 21120, 22170, 23648, 23760, 24387, 25344, 26604, 29560, 31680, 32516, 33255, 34560, 35472, 38016, 39906, 40645, 42240, 44340, 47296, 47520, 48774, 53208, 59120, 63360, 65032, 66510, 70944, 73161, 76032, 79812, 81290, 88680, 94592, 95040, 97548, 99765, 106416, 118240, 121935, 126720, 130064, 133020, 141888, 146322, 159624, 162580, 177360, 189184, 190080, 195096, 199530, 212832, 219483, 236480, 243870, 260128, 266040, 283776, 292644, 319248, 325160, 354720, 365805, 380160, 390192, 399060, 425664, 438966, 472960, 487740, 520256, 532080, 567552, 585288, 638496, 650320, 709440, 731610, 780384, 798120, 851328, 877932, 945920, 975480, 1040512, 1064160, 1097415, 1170576, 1276992, 1300640, 1418880, 1463220, 1560768, 1596240, 1702656, 1755864, 1950960, 2081024, 2128320, 2194830, 2341152, 2553984, 2601280, 2837760, 2926440, 3121536, 3192480, 3511728, 3901920, 4256640, 4389660, 4682304, 5107968, 5202560, 5852880, 6243072, 6384960, 7023456, 7803840, 8513280, 8779320, 9364608, 10405120, 11705760, 12769920, 14046912, 15607680, 17558640, 18729216, 23411520, 25539840, 28093824, 31215360, 35117280, 46823040, 56187648, 70234560, 93646080, 140469120, 280938240]

約数ペア:

[(1, 280938240), (2, 140469120), (3, 93646080), (4, 70234560), (5, 56187648), (6, 46823040), (8, 35117280), (9, 31215360), (10, 28093824), (11, 25539840), (12, 23411520), (15, 18729216), (16, 17558640), (18, 15607680), (20, 14046912), (22, 12769920), (24, 11705760), (27, 10405120), (30, 9364608), (32, 8779320), (33, 8513280), (36, 7803840), (40, 7023456), (44, 6384960), (45, 6243072), (48, 5852880), (54, 5202560), (55, 5107968), (60, 4682304), (64, 4389660), (66, 4256640), (72, 3901920), (80, 3511728), (88, 3192480), (90, 3121536), (96, 2926440), (99, 2837760), (108, 2601280), (110, 2553984), (120, 2341152), (128, 2194830), (132, 2128320), (135, 2081024), (144, 1950960), (160, 1755864), (165, 1702656), (176, 1596240), (180, 1560768), (192, 1463220), (198, 1418880), (216, 1300640), (220, 1276992), (240, 1170576), (256, 1097415), (264, 1064160), (270, 1040512), (288, 975480), (297, 945920), (320, 877932), (330, 851328), (352, 798120), (360, 780384), (384, 731610), (396, 709440), (432, 650320), (440, 638496), (480, 585288), (495, 567552), (528, 532080), (540, 520256), (576, 487740), (594, 472960), (640, 438966), (660, 425664), (704, 399060), (720, 390192), (739, 380160), (768, 365805), (792, 354720), (864, 325160), (880, 319248), (960, 292644), (990, 283776), (1056, 266040), (1080, 260128), (1152, 243870), (1188, 236480), (1280, 219483), (1320, 212832), (1408, 199530), (1440, 195096), (1478, 190080), (1485, 189184), (1584, 177360), (1728, 162580), (1760, 159624), (1920, 146322), (1980, 141888), (2112, 133020), (2160, 130064), (2217, 126720), (2304, 121935), (2376, 118240), (2640, 106416), (2816, 99765), (2880, 97548), (2956, 95040), (2970, 94592), (3168, 88680), (3456, 81290), (3520, 79812), (3695, 76032), (3840, 73161), (3960, 70944), (4224, 66510), (4320, 65032), (4434, 63360), (4752, 59120), (5280, 53208), (5760, 48774), (5912, 47520), (5940, 47296), (6336, 44340), (6651, 42240), (6912, 40645), (7040, 39906), (7390, 38016), (7920, 35472), (8129, 34560), (8448, 33255), (8640, 32516), (8868, 31680), (9504, 29560), (10560, 26604), (11085, 25344), (11520, 24387), (11824, 23760), (11880, 23648), (12672, 22170), (13302, 21120), (14080, 19953), (14780, 19008), (15840, 17736), (16258, 17280)]