311929920

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:562

約数の個数: 224

約数和(自身を含む): 1116787200

約数和(自身を除く): 804857280

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, 79, 80, 90, 96, 108, 120, 135, 144, 158, 160, 180, 192, 216, 237, 240, 270, 288, 316, 320, 360, 395, 432, 457, 474, 480, 540, 576, 632, 711, 720, 790, 864, 914, 948, 960, 1080, 1185, 1264, 1371, 1422, 1440, 1580, 1728, 1828, 1896, 2133, 2160, 2285, 2370, 2528, 2742, 2844, 2880, 3160, 3555, 3656, 3792, 4113, 4266, 4320, 4570, 4740, 5056, 5484, 5688, 6320, 6855, 7110, 7312, 7584, 8226, 8532, 8640, 9140, 9480, 10665, 10968, 11376, 12339, 12640, 13710, 14220, 14624, 15168, 16452, 17064, 18280, 18960, 20565, 21330, 21936, 22752, 24678, 25280, 27420, 28440, 29248, 32904, 34128, 36103, 36560, 37920, 41130, 42660, 43872, 45504, 49356, 54840, 56880, 61695, 65808, 68256, 72206, 73120, 75840, 82260, 85320, 87744, 98712, 108309, 109680, 113760, 123390, 131616, 136512, 144412, 146240, 164520, 170640, 180515, 197424, 216618, 219360, 227520, 246780, 263232, 288824, 324927, 329040, 341280, 361030, 394848, 433236, 438720, 493560, 541545, 577648, 649854, 658080, 682560, 722060, 789696, 866472, 974781, 987120, 1083090, 1155296, 1299708, 1316160, 1444120, 1624635, 1732944, 1949562, 1974240, 2166180, 2310592, 2599416, 2888240, 3249270, 3465888, 3899124, 3948480, 4332360, 4873905, 5198832, 5776480, 6498540, 6931776, 7798248, 8664720, 9747810, 10397664, 11552960, 12997080, 15596496, 17329440, 19495620, 20795328, 25994160, 31192992, 34658880, 38991240, 51988320, 62385984, 77982480, 103976640, 155964960, 311929920]

約数ペア:

[(1, 311929920), (2, 155964960), (3, 103976640), (4, 77982480), (5, 62385984), (6, 51988320), (8, 38991240), (9, 34658880), (10, 31192992), (12, 25994160), (15, 20795328), (16, 19495620), (18, 17329440), (20, 15596496), (24, 12997080), (27, 11552960), (30, 10397664), (32, 9747810), (36, 8664720), (40, 7798248), (45, 6931776), (48, 6498540), (54, 5776480), (60, 5198832), (64, 4873905), (72, 4332360), (79, 3948480), (80, 3899124), (90, 3465888), (96, 3249270), (108, 2888240), (120, 2599416), (135, 2310592), (144, 2166180), (158, 1974240), (160, 1949562), (180, 1732944), (192, 1624635), (216, 1444120), (237, 1316160), (240, 1299708), (270, 1155296), (288, 1083090), (316, 987120), (320, 974781), (360, 866472), (395, 789696), (432, 722060), (457, 682560), (474, 658080), (480, 649854), (540, 577648), (576, 541545), (632, 493560), (711, 438720), (720, 433236), (790, 394848), (864, 361030), (914, 341280), (948, 329040), (960, 324927), (1080, 288824), (1185, 263232), (1264, 246780), (1371, 227520), (1422, 219360), (1440, 216618), (1580, 197424), (1728, 180515), (1828, 170640), (1896, 164520), (2133, 146240), (2160, 144412), (2285, 136512), (2370, 131616), (2528, 123390), (2742, 113760), (2844, 109680), (2880, 108309), (3160, 98712), (3555, 87744), (3656, 85320), (3792, 82260), (4113, 75840), (4266, 73120), (4320, 72206), (4570, 68256), (4740, 65808), (5056, 61695), (5484, 56880), (5688, 54840), (6320, 49356), (6855, 45504), (7110, 43872), (7312, 42660), (7584, 41130), (8226, 37920), (8532, 36560), (8640, 36103), (9140, 34128), (9480, 32904), (10665, 29248), (10968, 28440), (11376, 27420), (12339, 25280), (12640, 24678), (13710, 22752), (14220, 21936), (14624, 21330), (15168, 20565), (16452, 18960), (17064, 18280)]