121241680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:381

約数の個数: 120

約数和(自身を含む): 331672968

約数和(自身を除く): 210431288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 157, 196, 197, 245, 280, 314, 392, 394, 490, 560, 628, 784, 785, 788, 980, 985, 1099, 1256, 1379, 1570, 1576, 1960, 1970, 2198, 2512, 2758, 3140, 3152, 3920, 3940, 4396, 5495, 5516, 6280, 6895, 7693, 7880, 8792, 9653, 10990, 11032, 12560, 13790, 15386, 15760, 17584, 19306, 21980, 22064, 27580, 30772, 30929, 38465, 38612, 43960, 48265, 55160, 61544, 61858, 76930, 77224, 87920, 96530, 110320, 123088, 123716, 153860, 154448, 154645, 193060, 216503, 247432, 307720, 309290, 386120, 433006, 494864, 615440, 618580, 772240, 866012, 1082515, 1237160, 1515521, 1732024, 2165030, 2474320, 3031042, 3464048, 4330060, 6062084, 7577605, 8660120, 12124168, 15155210, 17320240, 24248336, 30310420, 60620840, 121241680]

約数ペア:

[(1, 121241680), (2, 60620840), (4, 30310420), (5, 24248336), (7, 17320240), (8, 15155210), (10, 12124168), (14, 8660120), (16, 7577605), (20, 6062084), (28, 4330060), (35, 3464048), (40, 3031042), (49, 2474320), (56, 2165030), (70, 1732024), (80, 1515521), (98, 1237160), (112, 1082515), (140, 866012), (157, 772240), (196, 618580), (197, 615440), (245, 494864), (280, 433006), (314, 386120), (392, 309290), (394, 307720), (490, 247432), (560, 216503), (628, 193060), (784, 154645), (785, 154448), (788, 153860), (980, 123716), (985, 123088), (1099, 110320), (1256, 96530), (1379, 87920), (1570, 77224), (1576, 76930), (1960, 61858), (1970, 61544), (2198, 55160), (2512, 48265), (2758, 43960), (3140, 38612), (3152, 38465), (3920, 30929), (3940, 30772), (4396, 27580), (5495, 22064), (5516, 21980), (6280, 19306), (6895, 17584), (7693, 15760), (7880, 15386), (8792, 13790), (9653, 12560), (10990, 11032)]