90131440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:279

約数の個数: 160

約数和(自身を含む): 259269120

約数和(自身を除く): 169137680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 43, 56, 70, 76, 80, 86, 95, 112, 133, 140, 152, 172, 190, 197, 215, 266, 280, 301, 304, 344, 380, 394, 430, 532, 560, 602, 665, 688, 760, 788, 817, 860, 985, 1064, 1204, 1330, 1379, 1505, 1520, 1576, 1634, 1720, 1970, 2128, 2408, 2660, 2758, 3010, 3152, 3268, 3440, 3743, 3940, 4085, 4816, 5320, 5516, 5719, 6020, 6536, 6895, 7486, 7880, 8170, 8471, 10640, 11032, 11438, 12040, 13072, 13790, 14972, 15760, 16340, 16942, 18715, 22064, 22876, 24080, 26201, 27580, 28595, 29944, 32680, 33884, 37430, 42355, 45752, 52402, 55160, 57190, 59297, 59888, 65360, 67768, 74860, 84710, 91504, 104804, 110320, 114380, 118594, 131005, 135536, 149720, 160949, 169420, 209608, 228760, 237188, 262010, 296485, 299440, 321898, 338840, 419216, 457520, 474376, 524020, 592970, 643796, 677680, 804745, 948752, 1048040, 1126643, 1185940, 1287592, 1609490, 2096080, 2253286, 2371880, 2575184, 3218980, 4506572, 4743760, 5633215, 6437960, 9013144, 11266430, 12875920, 18026288, 22532860, 45065720, 90131440]

約数ペア:

[(1, 90131440), (2, 45065720), (4, 22532860), (5, 18026288), (7, 12875920), (8, 11266430), (10, 9013144), (14, 6437960), (16, 5633215), (19, 4743760), (20, 4506572), (28, 3218980), (35, 2575184), (38, 2371880), (40, 2253286), (43, 2096080), (56, 1609490), (70, 1287592), (76, 1185940), (80, 1126643), (86, 1048040), (95, 948752), (112, 804745), (133, 677680), (140, 643796), (152, 592970), (172, 524020), (190, 474376), (197, 457520), (215, 419216), (266, 338840), (280, 321898), (301, 299440), (304, 296485), (344, 262010), (380, 237188), (394, 228760), (430, 209608), (532, 169420), (560, 160949), (602, 149720), (665, 135536), (688, 131005), (760, 118594), (788, 114380), (817, 110320), (860, 104804), (985, 91504), (1064, 84710), (1204, 74860), (1330, 67768), (1379, 65360), (1505, 59888), (1520, 59297), (1576, 57190), (1634, 55160), (1720, 52402), (1970, 45752), (2128, 42355), (2408, 37430), (2660, 33884), (2758, 32680), (3010, 29944), (3152, 28595), (3268, 27580), (3440, 26201), (3743, 24080), (3940, 22876), (4085, 22064), (4816, 18715), (5320, 16942), (5516, 16340), (5719, 15760), (6020, 14972), (6536, 13790), (6895, 13072), (7486, 12040), (7880, 11438), (8170, 11032), (8471, 10640)]