778067920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{313}}^1$

素因数の和:549

約数の個数: 160

約数和(自身を含む): 2175432192

約数和(自身を除く): 1397364272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 193, 230, 280, 313, 322, 368, 386, 460, 560, 626, 644, 772, 805, 920, 965, 1252, 1288, 1351, 1544, 1565, 1610, 1840, 1930, 2191, 2504, 2576, 2702, 3088, 3130, 3220, 3860, 4382, 4439, 5008, 5404, 6260, 6440, 6755, 7199, 7720, 8764, 8878, 10808, 10955, 12520, 12880, 13510, 14398, 15440, 17528, 17756, 21616, 21910, 22195, 25040, 27020, 28796, 31073, 35056, 35512, 35995, 43820, 44390, 50393, 54040, 57592, 60409, 62146, 71024, 71990, 87640, 88780, 100786, 108080, 115184, 120818, 124292, 143980, 155365, 175280, 177560, 201572, 241636, 248584, 251965, 287960, 302045, 310730, 355120, 403144, 422863, 483272, 497168, 503930, 575920, 604090, 621460, 806288, 845726, 966544, 1007860, 1208180, 1242920, 1389407, 1691452, 2015720, 2114315, 2416360, 2485840, 2778814, 3382904, 4031440, 4228630, 4832720, 5557628, 6765808, 6947035, 8457260, 9725849, 11115256, 13894070, 16914520, 19451698, 22230512, 27788140, 33829040, 38903396, 48629245, 55576280, 77806792, 97258490, 111152560, 155613584, 194516980, 389033960, 778067920]

約数ペア:

[(1, 778067920), (2, 389033960), (4, 194516980), (5, 155613584), (7, 111152560), (8, 97258490), (10, 77806792), (14, 55576280), (16, 48629245), (20, 38903396), (23, 33829040), (28, 27788140), (35, 22230512), (40, 19451698), (46, 16914520), (56, 13894070), (70, 11115256), (80, 9725849), (92, 8457260), (112, 6947035), (115, 6765808), (140, 5557628), (161, 4832720), (184, 4228630), (193, 4031440), (230, 3382904), (280, 2778814), (313, 2485840), (322, 2416360), (368, 2114315), (386, 2015720), (460, 1691452), (560, 1389407), (626, 1242920), (644, 1208180), (772, 1007860), (805, 966544), (920, 845726), (965, 806288), (1252, 621460), (1288, 604090), (1351, 575920), (1544, 503930), (1565, 497168), (1610, 483272), (1840, 422863), (1930, 403144), (2191, 355120), (2504, 310730), (2576, 302045), (2702, 287960), (3088, 251965), (3130, 248584), (3220, 241636), (3860, 201572), (4382, 177560), (4439, 175280), (5008, 155365), (5404, 143980), (6260, 124292), (6440, 120818), (6755, 115184), (7199, 108080), (7720, 100786), (8764, 88780), (8878, 87640), (10808, 71990), (10955, 71024), (12520, 62146), (12880, 60409), (13510, 57592), (14398, 54040), (15440, 50393), (17528, 44390), (17756, 43820), (21616, 35995), (21910, 35512), (22195, 35056), (25040, 31073), (27020, 28796)]