278987520

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:235

約数の個数: 288

約数和(自身を含む): 1038417408

約数和(自身を除く): 759429888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 97, 105, 107, 112, 120, 128, 140, 160, 168, 192, 194, 210, 214, 224, 240, 256, 280, 291, 320, 321, 336, 384, 388, 420, 428, 448, 480, 485, 535, 560, 582, 640, 642, 672, 679, 749, 768, 776, 840, 856, 896, 960, 970, 1070, 1120, 1164, 1280, 1284, 1344, 1358, 1455, 1498, 1552, 1605, 1680, 1712, 1792, 1920, 1940, 2037, 2140, 2240, 2247, 2328, 2568, 2688, 2716, 2910, 2996, 3104, 3210, 3360, 3395, 3424, 3745, 3840, 3880, 4074, 4280, 4480, 4494, 4656, 5136, 5376, 5432, 5820, 5992, 6208, 6420, 6720, 6790, 6848, 7490, 7760, 8148, 8560, 8960, 8988, 9312, 10185, 10272, 10379, 10864, 11235, 11640, 11984, 12416, 12840, 13440, 13580, 13696, 14980, 15520, 16296, 17120, 17976, 18624, 20370, 20544, 20758, 21728, 22470, 23280, 23968, 24832, 25680, 26880, 27160, 27392, 29960, 31040, 31137, 32592, 34240, 35952, 37248, 40740, 41088, 41516, 43456, 44940, 46560, 47936, 51360, 51895, 54320, 59920, 62080, 62274, 65184, 68480, 71904, 72653, 74496, 81480, 82176, 83032, 86912, 89880, 93120, 95872, 102720, 103790, 108640, 119840, 124160, 124548, 130368, 136960, 143808, 145306, 155685, 162960, 166064, 173824, 179760, 186240, 191744, 205440, 207580, 217280, 217959, 239680, 249096, 260736, 287616, 290612, 311370, 325920, 332128, 359520, 363265, 372480, 410880, 415160, 434560, 435918, 479360, 498192, 521472, 575232, 581224, 622740, 651840, 664256, 719040, 726530, 830320, 869120, 871836, 958720, 996384, 1089795, 1162448, 1245480, 1303680, 1328512, 1438080, 1453060, 1660640, 1743672, 1992768, 2179590, 2324896, 2490960, 2607360, 2657024, 2876160, 2906120, 3321280, 3487344, 3985536, 4359180, 4649792, 4981920, 5812240, 6642560, 6974688, 7971072, 8718360, 9299584, 9963840, 11624480, 13285120, 13949376, 17436720, 18599168, 19927680, 23248960, 27898752, 34873440, 39855360, 46497920, 55797504, 69746880, 92995840, 139493760, 278987520]

約数ペア:

[(1, 278987520), (2, 139493760), (3, 92995840), (4, 69746880), (5, 55797504), (6, 46497920), (7, 39855360), (8, 34873440), (10, 27898752), (12, 23248960), (14, 19927680), (15, 18599168), (16, 17436720), (20, 13949376), (21, 13285120), (24, 11624480), (28, 9963840), (30, 9299584), (32, 8718360), (35, 7971072), (40, 6974688), (42, 6642560), (48, 5812240), (56, 4981920), (60, 4649792), (64, 4359180), (70, 3985536), (80, 3487344), (84, 3321280), (96, 2906120), (97, 2876160), (105, 2657024), (107, 2607360), (112, 2490960), (120, 2324896), (128, 2179590), (140, 1992768), (160, 1743672), (168, 1660640), (192, 1453060), (194, 1438080), (210, 1328512), (214, 1303680), (224, 1245480), (240, 1162448), (256, 1089795), (280, 996384), (291, 958720), (320, 871836), (321, 869120), (336, 830320), (384, 726530), (388, 719040), (420, 664256), (428, 651840), (448, 622740), (480, 581224), (485, 575232), (535, 521472), (560, 498192), (582, 479360), (640, 435918), (642, 434560), (672, 415160), (679, 410880), (749, 372480), (768, 363265), (776, 359520), (840, 332128), (856, 325920), (896, 311370), (960, 290612), (970, 287616), (1070, 260736), (1120, 249096), (1164, 239680), (1280, 217959), (1284, 217280), (1344, 207580), (1358, 205440), (1455, 191744), (1498, 186240), (1552, 179760), (1605, 173824), (1680, 166064), (1712, 162960), (1792, 155685), (1920, 145306), (1940, 143808), (2037, 136960), (2140, 130368), (2240, 124548), (2247, 124160), (2328, 119840), (2568, 108640), (2688, 103790), (2716, 102720), (2910, 95872), (2996, 93120), (3104, 89880), (3210, 86912), (3360, 83032), (3395, 82176), (3424, 81480), (3745, 74496), (3840, 72653), (3880, 71904), (4074, 68480), (4280, 65184), (4480, 62274), (4494, 62080), (4656, 59920), (5136, 54320), (5376, 51895), (5432, 51360), (5820, 47936), (5992, 46560), (6208, 44940), (6420, 43456), (6720, 41516), (6790, 41088), (6848, 40740), (7490, 37248), (7760, 35952), (8148, 34240), (8560, 32592), (8960, 31137), (8988, 31040), (9312, 29960), (10185, 27392), (10272, 27160), (10379, 26880), (10864, 25680), (11235, 24832), (11640, 23968), (11984, 23280), (12416, 22470), (12840, 21728), (13440, 20758), (13580, 20544), (13696, 20370), (14980, 18624), (15520, 17976), (16296, 17120)]