208400640

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{7753}}^1$

素因数の和:7784

約数の個数: 144

約数和(自身を含む): 760760448

約数和(自身を除く): 552359808

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, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 7753, 8960, 13440, 15506, 23259, 26880, 31012, 38765, 46518, 54271, 62024, 77530, 93036, 108542, 116295, 124048, 155060, 162813, 186072, 217084, 232590, 248096, 271355, 310120, 325626, 372144, 434168, 465180, 496192, 542710, 620240, 651252, 744288, 814065, 868336, 930360, 992384, 1085420, 1240480, 1302504, 1488576, 1628130, 1736672, 1860720, 1984768, 2170840, 2480960, 2605008, 2977152, 3256260, 3473344, 3721440, 4341680, 4961920, 5210016, 5954304, 6512520, 6946688, 7442880, 8683360, 9923840, 10420032, 13025040, 13893376, 14885760, 17366720, 20840064, 26050080, 29771520, 34733440, 41680128, 52100160, 69466880, 104200320, 208400640]

約数ペア:

[(1, 208400640), (2, 104200320), (3, 69466880), (4, 52100160), (5, 41680128), (6, 34733440), (7, 29771520), (8, 26050080), (10, 20840064), (12, 17366720), (14, 14885760), (15, 13893376), (16, 13025040), (20, 10420032), (21, 9923840), (24, 8683360), (28, 7442880), (30, 6946688), (32, 6512520), (35, 5954304), (40, 5210016), (42, 4961920), (48, 4341680), (56, 3721440), (60, 3473344), (64, 3256260), (70, 2977152), (80, 2605008), (84, 2480960), (96, 2170840), (105, 1984768), (112, 1860720), (120, 1736672), (128, 1628130), (140, 1488576), (160, 1302504), (168, 1240480), (192, 1085420), (210, 992384), (224, 930360), (240, 868336), (256, 814065), (280, 744288), (320, 651252), (336, 620240), (384, 542710), (420, 496192), (448, 465180), (480, 434168), (560, 372144), (640, 325626), (672, 310120), (768, 271355), (840, 248096), (896, 232590), (960, 217084), (1120, 186072), (1280, 162813), (1344, 155060), (1680, 124048), (1792, 116295), (1920, 108542), (2240, 93036), (2688, 77530), (3360, 62024), (3840, 54271), (4480, 46518), (5376, 38765), (6720, 31012), (7753, 26880), (8960, 23259), (13440, 15506)]