164720640

素因数分解:

$2^{12}\times 3^1\times 5^1\times 7^1\times {\mathrm{383}}^1$

素因数の和:422

約数の個数: 208

約数和(自身を含む): 603906048

約数和(自身を除く): 439185408

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, 383, 384, 420, 448, 480, 512, 560, 640, 672, 766, 768, 840, 896, 960, 1024, 1120, 1149, 1280, 1344, 1532, 1536, 1680, 1792, 1915, 1920, 2048, 2240, 2298, 2560, 2681, 2688, 3064, 3072, 3360, 3584, 3830, 3840, 4096, 4480, 4596, 5120, 5362, 5376, 5745, 6128, 6144, 6720, 7168, 7660, 7680, 8043, 8960, 9192, 10240, 10724, 10752, 11490, 12256, 12288, 13405, 13440, 14336, 15320, 15360, 16086, 17920, 18384, 20480, 21448, 21504, 22980, 24512, 26810, 26880, 28672, 30640, 30720, 32172, 35840, 36768, 40215, 42896, 43008, 45960, 49024, 53620, 53760, 61280, 61440, 64344, 71680, 73536, 80430, 85792, 86016, 91920, 98048, 107240, 107520, 122560, 128688, 143360, 147072, 160860, 171584, 183840, 196096, 214480, 215040, 245120, 257376, 294144, 321720, 343168, 367680, 392192, 428960, 430080, 490240, 514752, 588288, 643440, 686336, 735360, 784384, 857920, 980480, 1029504, 1176576, 1286880, 1372672, 1470720, 1568768, 1715840, 1960960, 2059008, 2353152, 2573760, 2745344, 2941440, 3431680, 3921920, 4118016, 4706304, 5147520, 5490688, 5882880, 6863360, 7843840, 8236032, 10295040, 10981376, 11765760, 13726720, 16472064, 20590080, 23531520, 27453440, 32944128, 41180160, 54906880, 82360320, 164720640]

約数ペア:

[(1, 164720640), (2, 82360320), (3, 54906880), (4, 41180160), (5, 32944128), (6, 27453440), (7, 23531520), (8, 20590080), (10, 16472064), (12, 13726720), (14, 11765760), (15, 10981376), (16, 10295040), (20, 8236032), (21, 7843840), (24, 6863360), (28, 5882880), (30, 5490688), (32, 5147520), (35, 4706304), (40, 4118016), (42, 3921920), (48, 3431680), (56, 2941440), (60, 2745344), (64, 2573760), (70, 2353152), (80, 2059008), (84, 1960960), (96, 1715840), (105, 1568768), (112, 1470720), (120, 1372672), (128, 1286880), (140, 1176576), (160, 1029504), (168, 980480), (192, 857920), (210, 784384), (224, 735360), (240, 686336), (256, 643440), (280, 588288), (320, 514752), (336, 490240), (383, 430080), (384, 428960), (420, 392192), (448, 367680), (480, 343168), (512, 321720), (560, 294144), (640, 257376), (672, 245120), (766, 215040), (768, 214480), (840, 196096), (896, 183840), (960, 171584), (1024, 160860), (1120, 147072), (1149, 143360), (1280, 128688), (1344, 122560), (1532, 107520), (1536, 107240), (1680, 98048), (1792, 91920), (1915, 86016), (1920, 85792), (2048, 80430), (2240, 73536), (2298, 71680), (2560, 64344), (2681, 61440), (2688, 61280), (3064, 53760), (3072, 53620), (3360, 49024), (3584, 45960), (3830, 43008), (3840, 42896), (4096, 40215), (4480, 36768), (4596, 35840), (5120, 32172), (5362, 30720), (5376, 30640), (5745, 28672), (6128, 26880), (6144, 26810), (6720, 24512), (7168, 22980), (7660, 21504), (7680, 21448), (8043, 20480), (8960, 18384), (9192, 17920), (10240, 16086), (10724, 15360), (10752, 15320), (11490, 14336), (12256, 13440), (12288, 13405)]