258750720

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{7487}}^1$

素因数の和:7517

約数の個数: 144

約数和(自身を含む): 918328320

約数和(自身を除く): 659577600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1728, 1920, 2160, 2304, 2880, 3456, 3840, 4320, 5760, 6912, 7487, 8640, 11520, 14974, 17280, 22461, 29948, 34560, 37435, 44922, 59896, 67383, 74870, 89844, 112305, 119792, 134766, 149740, 179688, 202149, 224610, 239584, 269532, 299480, 336915, 359376, 404298, 449220, 479168, 539064, 598960, 673830, 718752, 808596, 898440, 958336, 1010745, 1078128, 1197920, 1347660, 1437504, 1617192, 1796880, 1916672, 2021490, 2156256, 2395840, 2695320, 2875008, 3234384, 3593760, 4042980, 4312512, 4791680, 5390640, 5750016, 6468768, 7187520, 8085960, 8625024, 9583360, 10781280, 12937536, 14375040, 16171920, 17250048, 21562560, 25875072, 28750080, 32343840, 43125120, 51750144, 64687680, 86250240, 129375360, 258750720]

約数ペア:

[(1, 258750720), (2, 129375360), (3, 86250240), (4, 64687680), (5, 51750144), (6, 43125120), (8, 32343840), (9, 28750080), (10, 25875072), (12, 21562560), (15, 17250048), (16, 16171920), (18, 14375040), (20, 12937536), (24, 10781280), (27, 9583360), (30, 8625024), (32, 8085960), (36, 7187520), (40, 6468768), (45, 5750016), (48, 5390640), (54, 4791680), (60, 4312512), (64, 4042980), (72, 3593760), (80, 3234384), (90, 2875008), (96, 2695320), (108, 2395840), (120, 2156256), (128, 2021490), (135, 1916672), (144, 1796880), (160, 1617192), (180, 1437504), (192, 1347660), (216, 1197920), (240, 1078128), (256, 1010745), (270, 958336), (288, 898440), (320, 808596), (360, 718752), (384, 673830), (432, 598960), (480, 539064), (540, 479168), (576, 449220), (640, 404298), (720, 359376), (768, 336915), (864, 299480), (960, 269532), (1080, 239584), (1152, 224610), (1280, 202149), (1440, 179688), (1728, 149740), (1920, 134766), (2160, 119792), (2304, 112305), (2880, 89844), (3456, 74870), (3840, 67383), (4320, 59896), (5760, 44922), (6912, 37435), (7487, 34560), (8640, 29948), (11520, 22461), (14974, 17280)]