255978240

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:227

約数の個数: 288

約数和(自身を含む): 953648640

約数和(自身を除く): 697670400

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, 89, 96, 105, 107, 112, 120, 128, 140, 160, 168, 178, 192, 210, 214, 224, 240, 256, 267, 280, 320, 321, 336, 356, 384, 420, 428, 445, 448, 480, 534, 535, 560, 623, 640, 642, 672, 712, 749, 768, 840, 856, 890, 896, 960, 1068, 1070, 1120, 1246, 1280, 1284, 1335, 1344, 1424, 1498, 1605, 1680, 1712, 1780, 1792, 1869, 1920, 2136, 2140, 2240, 2247, 2492, 2568, 2670, 2688, 2848, 2996, 3115, 3210, 3360, 3424, 3560, 3738, 3745, 3840, 4272, 4280, 4480, 4494, 4984, 5136, 5340, 5376, 5696, 5992, 6230, 6420, 6720, 6848, 7120, 7476, 7490, 8544, 8560, 8960, 8988, 9345, 9523, 9968, 10272, 10680, 11235, 11392, 11984, 12460, 12840, 13440, 13696, 14240, 14952, 14980, 17088, 17120, 17976, 18690, 19046, 19936, 20544, 21360, 22470, 22784, 23968, 24920, 25680, 26880, 27392, 28480, 28569, 29904, 29960, 34176, 34240, 35952, 37380, 38092, 39872, 41088, 42720, 44940, 47615, 47936, 49840, 51360, 56960, 57138, 59808, 59920, 66661, 68352, 68480, 71904, 74760, 76184, 79744, 82176, 85440, 89880, 95230, 95872, 99680, 102720, 113920, 114276, 119616, 119840, 133322, 136960, 142845, 143808, 149520, 152368, 159488, 170880, 179760, 190460, 191744, 199360, 199983, 205440, 228552, 239232, 239680, 266644, 285690, 287616, 299040, 304736, 333305, 341760, 359520, 380920, 398720, 399966, 410880, 457104, 478464, 479360, 533288, 571380, 575232, 598080, 609472, 666610, 719040, 761840, 797440, 799932, 914208, 958720, 999915, 1066576, 1142760, 1196160, 1218944, 1333220, 1438080, 1523680, 1599864, 1828416, 1999830, 2133152, 2285520, 2392320, 2437888, 2666440, 2876160, 3047360, 3199728, 3656832, 3999660, 4266304, 4571040, 5332880, 6094720, 6399456, 7313664, 7999320, 8532608, 9142080, 10665760, 12189440, 12798912, 15998640, 17065216, 18284160, 21331520, 25597824, 31997280, 36568320, 42663040, 51195648, 63994560, 85326080, 127989120, 255978240]

約数ペア:

[(1, 255978240), (2, 127989120), (3, 85326080), (4, 63994560), (5, 51195648), (6, 42663040), (7, 36568320), (8, 31997280), (10, 25597824), (12, 21331520), (14, 18284160), (15, 17065216), (16, 15998640), (20, 12798912), (21, 12189440), (24, 10665760), (28, 9142080), (30, 8532608), (32, 7999320), (35, 7313664), (40, 6399456), (42, 6094720), (48, 5332880), (56, 4571040), (60, 4266304), (64, 3999660), (70, 3656832), (80, 3199728), (84, 3047360), (89, 2876160), (96, 2666440), (105, 2437888), (107, 2392320), (112, 2285520), (120, 2133152), (128, 1999830), (140, 1828416), (160, 1599864), (168, 1523680), (178, 1438080), (192, 1333220), (210, 1218944), (214, 1196160), (224, 1142760), (240, 1066576), (256, 999915), (267, 958720), (280, 914208), (320, 799932), (321, 797440), (336, 761840), (356, 719040), (384, 666610), (420, 609472), (428, 598080), (445, 575232), (448, 571380), (480, 533288), (534, 479360), (535, 478464), (560, 457104), (623, 410880), (640, 399966), (642, 398720), (672, 380920), (712, 359520), (749, 341760), (768, 333305), (840, 304736), (856, 299040), (890, 287616), (896, 285690), (960, 266644), (1068, 239680), (1070, 239232), (1120, 228552), (1246, 205440), (1280, 199983), (1284, 199360), (1335, 191744), (1344, 190460), (1424, 179760), (1498, 170880), (1605, 159488), (1680, 152368), (1712, 149520), (1780, 143808), (1792, 142845), (1869, 136960), (1920, 133322), (2136, 119840), (2140, 119616), (2240, 114276), (2247, 113920), (2492, 102720), (2568, 99680), (2670, 95872), (2688, 95230), (2848, 89880), (2996, 85440), (3115, 82176), (3210, 79744), (3360, 76184), (3424, 74760), (3560, 71904), (3738, 68480), (3745, 68352), (3840, 66661), (4272, 59920), (4280, 59808), (4480, 57138), (4494, 56960), (4984, 51360), (5136, 49840), (5340, 47936), (5376, 47615), (5696, 44940), (5992, 42720), (6230, 41088), (6420, 39872), (6720, 38092), (6848, 37380), (7120, 35952), (7476, 34240), (7490, 34176), (8544, 29960), (8560, 29904), (8960, 28569), (8988, 28480), (9345, 27392), (9523, 26880), (9968, 25680), (10272, 24920), (10680, 23968), (11235, 22784), (11392, 22470), (11984, 21360), (12460, 20544), (12840, 19936), (13440, 19046), (13696, 18690), (14240, 17976), (14952, 17120), (14980, 17088)]