256849920

素因数分解:

$2^{11}\times 3^3\times 5^1\times {\mathrm{929}}^1$

素因数の和:965

約数の個数: 192

約数和(自身を含む): 914004000

約数和(自身を除く): 657154080

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, 512, 540, 576, 640, 720, 768, 864, 929, 960, 1024, 1080, 1152, 1280, 1440, 1536, 1728, 1858, 1920, 2048, 2160, 2304, 2560, 2787, 2880, 3072, 3456, 3716, 3840, 4320, 4608, 4645, 5120, 5574, 5760, 6144, 6912, 7432, 7680, 8361, 8640, 9216, 9290, 10240, 11148, 11520, 13824, 13935, 14864, 15360, 16722, 17280, 18432, 18580, 22296, 23040, 25083, 27648, 27870, 29728, 30720, 33444, 34560, 37160, 41805, 44592, 46080, 50166, 55296, 55740, 59456, 66888, 69120, 74320, 83610, 89184, 92160, 100332, 111480, 118912, 125415, 133776, 138240, 148640, 167220, 178368, 200664, 222960, 237824, 250830, 267552, 276480, 297280, 334440, 356736, 401328, 445920, 475648, 501660, 535104, 594560, 668880, 713472, 802656, 891840, 951296, 1003320, 1070208, 1189120, 1337760, 1426944, 1605312, 1783680, 1902592, 2006640, 2140416, 2378240, 2675520, 2853888, 3210624, 3567360, 4013280, 4280832, 4756480, 5351040, 5707776, 6421248, 7134720, 8026560, 8561664, 9512960, 10702080, 12842496, 14269440, 16053120, 17123328, 21404160, 25684992, 28538880, 32106240, 42808320, 51369984, 64212480, 85616640, 128424960, 256849920]

約数ペア:

[(1, 256849920), (2, 128424960), (3, 85616640), (4, 64212480), (5, 51369984), (6, 42808320), (8, 32106240), (9, 28538880), (10, 25684992), (12, 21404160), (15, 17123328), (16, 16053120), (18, 14269440), (20, 12842496), (24, 10702080), (27, 9512960), (30, 8561664), (32, 8026560), (36, 7134720), (40, 6421248), (45, 5707776), (48, 5351040), (54, 4756480), (60, 4280832), (64, 4013280), (72, 3567360), (80, 3210624), (90, 2853888), (96, 2675520), (108, 2378240), (120, 2140416), (128, 2006640), (135, 1902592), (144, 1783680), (160, 1605312), (180, 1426944), (192, 1337760), (216, 1189120), (240, 1070208), (256, 1003320), (270, 951296), (288, 891840), (320, 802656), (360, 713472), (384, 668880), (432, 594560), (480, 535104), (512, 501660), (540, 475648), (576, 445920), (640, 401328), (720, 356736), (768, 334440), (864, 297280), (929, 276480), (960, 267552), (1024, 250830), (1080, 237824), (1152, 222960), (1280, 200664), (1440, 178368), (1536, 167220), (1728, 148640), (1858, 138240), (1920, 133776), (2048, 125415), (2160, 118912), (2304, 111480), (2560, 100332), (2787, 92160), (2880, 89184), (3072, 83610), (3456, 74320), (3716, 69120), (3840, 66888), (4320, 59456), (4608, 55740), (4645, 55296), (5120, 50166), (5574, 46080), (5760, 44592), (6144, 41805), (6912, 37160), (7432, 34560), (7680, 33444), (8361, 30720), (8640, 29728), (9216, 27870), (9290, 27648), (10240, 25083), (11148, 23040), (11520, 22296), (13824, 18580), (13935, 18432), (14864, 17280), (15360, 16722)]