261166080

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^2\times {\mathrm{347}}^1$

素因数の和:389

約数の個数: 264

約数和(自身を含む): 974503008

約数和(自身を除く): 713336928

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, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 347, 384, 392, 420, 448, 480, 490, 512, 560, 588, 640, 672, 694, 735, 768, 784, 840, 896, 960, 980, 1024, 1041, 1120, 1176, 1280, 1344, 1388, 1470, 1536, 1568, 1680, 1735, 1792, 1920, 1960, 2082, 2240, 2352, 2429, 2560, 2688, 2776, 2940, 3072, 3136, 3360, 3470, 3584, 3840, 3920, 4164, 4480, 4704, 4858, 5120, 5205, 5376, 5552, 5880, 6272, 6720, 6940, 7168, 7287, 7680, 7840, 8328, 8960, 9408, 9716, 10410, 10752, 11104, 11760, 12145, 12544, 13440, 13880, 14574, 15360, 15680, 16656, 17003, 17920, 18816, 19432, 20820, 21504, 22208, 23520, 24290, 25088, 26880, 27760, 29148, 31360, 33312, 34006, 35840, 36435, 37632, 38864, 41640, 44416, 47040, 48580, 50176, 51009, 53760, 55520, 58296, 62720, 66624, 68012, 72870, 75264, 77728, 83280, 85015, 88832, 94080, 97160, 102018, 107520, 111040, 116592, 125440, 133248, 136024, 145740, 150528, 155456, 166560, 170030, 177664, 188160, 194320, 204036, 222080, 233184, 250880, 255045, 266496, 272048, 291480, 310912, 333120, 340060, 355328, 376320, 388640, 408072, 444160, 466368, 510090, 532992, 544096, 582960, 621824, 666240, 680120, 752640, 777280, 816144, 888320, 932736, 1020180, 1065984, 1088192, 1165920, 1243648, 1332480, 1360240, 1554560, 1632288, 1776640, 1865472, 2040360, 2176384, 2331840, 2487296, 2664960, 2720480, 3109120, 3264576, 3730944, 4080720, 4352768, 4663680, 5329920, 5440960, 6218240, 6529152, 7461888, 8161440, 8705536, 9327360, 10881920, 12436480, 13058304, 16322880, 17411072, 18654720, 21763840, 26116608, 32645760, 37309440, 43527680, 52233216, 65291520, 87055360, 130583040, 261166080]

約数ペア:

[(1, 261166080), (2, 130583040), (3, 87055360), (4, 65291520), (5, 52233216), (6, 43527680), (7, 37309440), (8, 32645760), (10, 26116608), (12, 21763840), (14, 18654720), (15, 17411072), (16, 16322880), (20, 13058304), (21, 12436480), (24, 10881920), (28, 9327360), (30, 8705536), (32, 8161440), (35, 7461888), (40, 6529152), (42, 6218240), (48, 5440960), (49, 5329920), (56, 4663680), (60, 4352768), (64, 4080720), (70, 3730944), (80, 3264576), (84, 3109120), (96, 2720480), (98, 2664960), (105, 2487296), (112, 2331840), (120, 2176384), (128, 2040360), (140, 1865472), (147, 1776640), (160, 1632288), (168, 1554560), (192, 1360240), (196, 1332480), (210, 1243648), (224, 1165920), (240, 1088192), (245, 1065984), (256, 1020180), (280, 932736), (294, 888320), (320, 816144), (336, 777280), (347, 752640), (384, 680120), (392, 666240), (420, 621824), (448, 582960), (480, 544096), (490, 532992), (512, 510090), (560, 466368), (588, 444160), (640, 408072), (672, 388640), (694, 376320), (735, 355328), (768, 340060), (784, 333120), (840, 310912), (896, 291480), (960, 272048), (980, 266496), (1024, 255045), (1041, 250880), (1120, 233184), (1176, 222080), (1280, 204036), (1344, 194320), (1388, 188160), (1470, 177664), (1536, 170030), (1568, 166560), (1680, 155456), (1735, 150528), (1792, 145740), (1920, 136024), (1960, 133248), (2082, 125440), (2240, 116592), (2352, 111040), (2429, 107520), (2560, 102018), (2688, 97160), (2776, 94080), (2940, 88832), (3072, 85015), (3136, 83280), (3360, 77728), (3470, 75264), (3584, 72870), (3840, 68012), (3920, 66624), (4164, 62720), (4480, 58296), (4704, 55520), (4858, 53760), (5120, 51009), (5205, 50176), (5376, 48580), (5552, 47040), (5880, 44416), (6272, 41640), (6720, 38864), (6940, 37632), (7168, 36435), (7287, 35840), (7680, 34006), (7840, 33312), (8328, 31360), (8960, 29148), (9408, 27760), (9716, 26880), (10410, 25088), (10752, 24290), (11104, 23520), (11760, 22208), (12145, 21504), (12544, 20820), (13440, 19432), (13880, 18816), (14574, 17920), (15360, 17003), (15680, 16656)]