191720640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:519

約数の個数: 224

約数和(自身を含む): 670072320

約数和(自身を除く): 478351680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 30, 32, 38, 40, 46, 48, 57, 60, 64, 69, 76, 80, 92, 95, 96, 114, 115, 120, 138, 152, 160, 184, 190, 192, 228, 230, 240, 276, 285, 304, 320, 345, 368, 380, 437, 456, 457, 460, 480, 552, 570, 608, 690, 736, 760, 874, 912, 914, 920, 960, 1104, 1140, 1216, 1311, 1371, 1380, 1472, 1520, 1748, 1824, 1828, 1840, 2185, 2208, 2280, 2285, 2622, 2742, 2760, 3040, 3496, 3648, 3656, 3680, 4370, 4416, 4560, 4570, 5244, 5484, 5520, 6080, 6555, 6855, 6992, 7312, 7360, 8683, 8740, 9120, 9140, 10488, 10511, 10968, 11040, 13110, 13710, 13984, 14624, 17366, 17480, 18240, 18280, 20976, 21022, 21936, 22080, 26049, 26220, 27420, 27968, 29248, 31533, 34732, 34960, 36560, 41952, 42044, 43415, 43872, 52098, 52440, 52555, 54840, 63066, 69464, 69920, 73120, 83904, 84088, 86830, 87744, 104196, 104880, 105110, 109680, 126132, 130245, 138928, 139840, 146240, 157665, 168176, 173660, 199709, 208392, 209760, 210220, 219360, 252264, 260490, 277856, 315330, 336352, 347320, 399418, 416784, 419520, 420440, 438720, 504528, 520980, 555712, 599127, 630660, 672704, 694640, 798836, 833568, 840880, 998545, 1009056, 1041960, 1198254, 1261320, 1389280, 1597672, 1667136, 1681760, 1997090, 2018112, 2083920, 2396508, 2522640, 2778560, 2995635, 3195344, 3363520, 3994180, 4167840, 4793016, 5045280, 5991270, 6390688, 7988360, 8335680, 9586032, 10090560, 11982540, 12781376, 15976720, 19172064, 23965080, 31953440, 38344128, 47930160, 63906880, 95860320, 191720640]

約数ペア:

[(1, 191720640), (2, 95860320), (3, 63906880), (4, 47930160), (5, 38344128), (6, 31953440), (8, 23965080), (10, 19172064), (12, 15976720), (15, 12781376), (16, 11982540), (19, 10090560), (20, 9586032), (23, 8335680), (24, 7988360), (30, 6390688), (32, 5991270), (38, 5045280), (40, 4793016), (46, 4167840), (48, 3994180), (57, 3363520), (60, 3195344), (64, 2995635), (69, 2778560), (76, 2522640), (80, 2396508), (92, 2083920), (95, 2018112), (96, 1997090), (114, 1681760), (115, 1667136), (120, 1597672), (138, 1389280), (152, 1261320), (160, 1198254), (184, 1041960), (190, 1009056), (192, 998545), (228, 840880), (230, 833568), (240, 798836), (276, 694640), (285, 672704), (304, 630660), (320, 599127), (345, 555712), (368, 520980), (380, 504528), (437, 438720), (456, 420440), (457, 419520), (460, 416784), (480, 399418), (552, 347320), (570, 336352), (608, 315330), (690, 277856), (736, 260490), (760, 252264), (874, 219360), (912, 210220), (914, 209760), (920, 208392), (960, 199709), (1104, 173660), (1140, 168176), (1216, 157665), (1311, 146240), (1371, 139840), (1380, 138928), (1472, 130245), (1520, 126132), (1748, 109680), (1824, 105110), (1828, 104880), (1840, 104196), (2185, 87744), (2208, 86830), (2280, 84088), (2285, 83904), (2622, 73120), (2742, 69920), (2760, 69464), (3040, 63066), (3496, 54840), (3648, 52555), (3656, 52440), (3680, 52098), (4370, 43872), (4416, 43415), (4560, 42044), (4570, 41952), (5244, 36560), (5484, 34960), (5520, 34732), (6080, 31533), (6555, 29248), (6855, 27968), (6992, 27420), (7312, 26220), (7360, 26049), (8683, 22080), (8740, 21936), (9120, 21022), (9140, 20976), (10488, 18280), (10511, 18240), (10968, 17480), (11040, 17366), (13110, 14624), (13710, 13984)]