2158428160

素因数分解:

$2^{16}\times 5^1\times 7^1\times {\mathrm{941}}^1$

素因数の和:985

約数の個数: 136

約数和(自身を含む): 5926506336

約数和(自身を除く): 3768078176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 941, 1024, 1120, 1280, 1792, 1882, 2048, 2240, 2560, 3584, 3764, 4096, 4480, 4705, 5120, 6587, 7168, 7528, 8192, 8960, 9410, 10240, 13174, 14336, 15056, 16384, 17920, 18820, 20480, 26348, 28672, 30112, 32768, 32935, 35840, 37640, 40960, 52696, 57344, 60224, 65536, 65870, 71680, 75280, 81920, 105392, 114688, 120448, 131740, 143360, 150560, 163840, 210784, 229376, 240896, 263480, 286720, 301120, 327680, 421568, 458752, 481792, 526960, 573440, 602240, 843136, 963584, 1053920, 1146880, 1204480, 1686272, 1927168, 2107840, 2293760, 2408960, 3372544, 3854336, 4215680, 4817920, 6745088, 7708672, 8431360, 9635840, 13490176, 15417344, 16862720, 19271680, 26980352, 30834688, 33725440, 38543360, 53960704, 61669376, 67450880, 77086720, 107921408, 134901760, 154173440, 215842816, 269803520, 308346880, 431685632, 539607040, 1079214080, 2158428160]

約数ペア:

[(1, 2158428160), (2, 1079214080), (4, 539607040), (5, 431685632), (7, 308346880), (8, 269803520), (10, 215842816), (14, 154173440), (16, 134901760), (20, 107921408), (28, 77086720), (32, 67450880), (35, 61669376), (40, 53960704), (56, 38543360), (64, 33725440), (70, 30834688), (80, 26980352), (112, 19271680), (128, 16862720), (140, 15417344), (160, 13490176), (224, 9635840), (256, 8431360), (280, 7708672), (320, 6745088), (448, 4817920), (512, 4215680), (560, 3854336), (640, 3372544), (896, 2408960), (941, 2293760), (1024, 2107840), (1120, 1927168), (1280, 1686272), (1792, 1204480), (1882, 1146880), (2048, 1053920), (2240, 963584), (2560, 843136), (3584, 602240), (3764, 573440), (4096, 526960), (4480, 481792), (4705, 458752), (5120, 421568), (6587, 327680), (7168, 301120), (7528, 286720), (8192, 263480), (8960, 240896), (9410, 229376), (10240, 210784), (13174, 163840), (14336, 150560), (15056, 143360), (16384, 131740), (17920, 120448), (18820, 114688), (20480, 105392), (26348, 81920), (28672, 75280), (30112, 71680), (32768, 65870), (32935, 65536), (35840, 60224), (37640, 57344), (40960, 52696)]