20176519120

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:617

約数の個数: 160

約数和(自身を含む): 48723444000

約数和(自身を除く): 28546924880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 109, 149, 212, 218, 265, 293, 298, 424, 436, 530, 545, 586, 596, 745, 848, 872, 1060, 1090, 1172, 1192, 1465, 1490, 1744, 2120, 2180, 2344, 2384, 2930, 2980, 4240, 4360, 4688, 5777, 5860, 5960, 7897, 8720, 11554, 11720, 11920, 15529, 15794, 16241, 23108, 23440, 28885, 31058, 31588, 31937, 32482, 39485, 43657, 46216, 57770, 62116, 63176, 63874, 64964, 77645, 78970, 81205, 87314, 92432, 115540, 124232, 126352, 127748, 129928, 155290, 157940, 159685, 162410, 174628, 218285, 231080, 248464, 255496, 259856, 310580, 315880, 319370, 324820, 349256, 436570, 462160, 510992, 621160, 631760, 638740, 649640, 698512, 860773, 873140, 1242320, 1277480, 1299280, 1692661, 1721546, 1746280, 2313821, 2554960, 3385322, 3443092, 3492560, 4303865, 4627642, 4758613, 6770644, 6886184, 8463305, 8607730, 9255284, 9517226, 11569105, 13541288, 13772368, 16926610, 17215460, 18510568, 19034452, 23138210, 23793065, 27082576, 33853220, 34430920, 37021136, 38068904, 46276420, 47586130, 67706440, 68861840, 76137808, 92552840, 95172260, 135412880, 185105680, 190344520, 252206489, 380689040, 504412978, 1008825956, 1261032445, 2017651912, 2522064890, 4035303824, 5044129780, 10088259560, 20176519120]

約数ペア:

[(1, 20176519120), (2, 10088259560), (4, 5044129780), (5, 4035303824), (8, 2522064890), (10, 2017651912), (16, 1261032445), (20, 1008825956), (40, 504412978), (53, 380689040), (80, 252206489), (106, 190344520), (109, 185105680), (149, 135412880), (212, 95172260), (218, 92552840), (265, 76137808), (293, 68861840), (298, 67706440), (424, 47586130), (436, 46276420), (530, 38068904), (545, 37021136), (586, 34430920), (596, 33853220), (745, 27082576), (848, 23793065), (872, 23138210), (1060, 19034452), (1090, 18510568), (1172, 17215460), (1192, 16926610), (1465, 13772368), (1490, 13541288), (1744, 11569105), (2120, 9517226), (2180, 9255284), (2344, 8607730), (2384, 8463305), (2930, 6886184), (2980, 6770644), (4240, 4758613), (4360, 4627642), (4688, 4303865), (5777, 3492560), (5860, 3443092), (5960, 3385322), (7897, 2554960), (8720, 2313821), (11554, 1746280), (11720, 1721546), (11920, 1692661), (15529, 1299280), (15794, 1277480), (16241, 1242320), (23108, 873140), (23440, 860773), (28885, 698512), (31058, 649640), (31588, 638740), (31937, 631760), (32482, 621160), (39485, 510992), (43657, 462160), (46216, 436570), (57770, 349256), (62116, 324820), (63176, 319370), (63874, 315880), (64964, 310580), (77645, 259856), (78970, 255496), (81205, 248464), (87314, 231080), (92432, 218285), (115540, 174628), (124232, 162410), (126352, 159685), (127748, 157940), (129928, 155290)]