20490040320

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{3779}}^1$

素因数の和:4160

約数の個数: 176

約数和(自身を含む): 65739159360

約数和(自身を除く): 45249119040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 353, 384, 480, 512, 640, 706, 768, 960, 1024, 1059, 1280, 1412, 1536, 1765, 1920, 2118, 2560, 2824, 3072, 3530, 3779, 3840, 4236, 5120, 5295, 5648, 7060, 7558, 7680, 8472, 10590, 11296, 11337, 14120, 15116, 15360, 16944, 18895, 21180, 22592, 22674, 28240, 30232, 33888, 37790, 42360, 45184, 45348, 56480, 56685, 60464, 67776, 75580, 84720, 90368, 90696, 112960, 113370, 120928, 135552, 151160, 169440, 180736, 181392, 225920, 226740, 241856, 271104, 302320, 338880, 361472, 362784, 451840, 453480, 483712, 542208, 604640, 677760, 725568, 903680, 906960, 967424, 1084416, 1209280, 1333987, 1355520, 1451136, 1807360, 1813920, 1934848, 2418560, 2667974, 2711040, 2902272, 3627840, 3869696, 4001961, 4837120, 5335948, 5422080, 5804544, 6669935, 7255680, 8003922, 9674240, 10671896, 11609088, 13339870, 14511360, 16007844, 19348480, 20009805, 21343792, 26679740, 29022720, 32015688, 40019610, 42687584, 53359480, 58045440, 64031376, 80039220, 85375168, 106718960, 128062752, 160078440, 170750336, 213437920, 256125504, 320156880, 341500672, 426875840, 512251008, 640313760, 683001344, 853751680, 1024502016, 1280627520, 1366002688, 1707503360, 2049004032, 2561255040, 3415006720, 4098008064, 5122510080, 6830013440, 10245020160, 20490040320]

約数ペア:

[(1, 20490040320), (2, 10245020160), (3, 6830013440), (4, 5122510080), (5, 4098008064), (6, 3415006720), (8, 2561255040), (10, 2049004032), (12, 1707503360), (15, 1366002688), (16, 1280627520), (20, 1024502016), (24, 853751680), (30, 683001344), (32, 640313760), (40, 512251008), (48, 426875840), (60, 341500672), (64, 320156880), (80, 256125504), (96, 213437920), (120, 170750336), (128, 160078440), (160, 128062752), (192, 106718960), (240, 85375168), (256, 80039220), (320, 64031376), (353, 58045440), (384, 53359480), (480, 42687584), (512, 40019610), (640, 32015688), (706, 29022720), (768, 26679740), (960, 21343792), (1024, 20009805), (1059, 19348480), (1280, 16007844), (1412, 14511360), (1536, 13339870), (1765, 11609088), (1920, 10671896), (2118, 9674240), (2560, 8003922), (2824, 7255680), (3072, 6669935), (3530, 5804544), (3779, 5422080), (3840, 5335948), (4236, 4837120), (5120, 4001961), (5295, 3869696), (5648, 3627840), (7060, 2902272), (7558, 2711040), (7680, 2667974), (8472, 2418560), (10590, 1934848), (11296, 1813920), (11337, 1807360), (14120, 1451136), (15116, 1355520), (15360, 1333987), (16944, 1209280), (18895, 1084416), (21180, 967424), (22592, 906960), (22674, 903680), (28240, 725568), (30232, 677760), (33888, 604640), (37790, 542208), (42360, 483712), (45184, 453480), (45348, 451840), (56480, 362784), (56685, 361472), (60464, 338880), (67776, 302320), (75580, 271104), (84720, 241856), (90368, 226740), (90696, 225920), (112960, 181392), (113370, 180736), (120928, 169440), (135552, 151160)]