1191178720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:265

約数の個数: 144

約数和(自身を含む): 2978809344

約数和(自身を除く): 1787630624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 80, 122, 124, 127, 155, 160, 244, 248, 254, 305, 310, 488, 496, 508, 610, 620, 635, 961, 976, 992, 1016, 1220, 1240, 1270, 1891, 1922, 1952, 2032, 2440, 2480, 2540, 3782, 3844, 3937, 4064, 4805, 4880, 4960, 5080, 7564, 7688, 7747, 7874, 9455, 9610, 9760, 10160, 15128, 15376, 15494, 15748, 18910, 19220, 19685, 20320, 30256, 30752, 30988, 31496, 37820, 38440, 38735, 39370, 58621, 60512, 61976, 62992, 75640, 76880, 77470, 78740, 117242, 122047, 123952, 125984, 151280, 153760, 154940, 157480, 234484, 240157, 244094, 247904, 293105, 302560, 309880, 314960, 468968, 480314, 488188, 586210, 610235, 619760, 629920, 937936, 960628, 976376, 1172420, 1200785, 1220470, 1239520, 1875872, 1921256, 1952752, 2344840, 2401570, 2440940, 3842512, 3905504, 4689680, 4803140, 4881880, 7444867, 7685024, 9379360, 9606280, 9763760, 14889734, 19212560, 19527520, 29779468, 37224335, 38425120, 59558936, 74448670, 119117872, 148897340, 238235744, 297794680, 595589360, 1191178720]

約数ペア:

[(1, 1191178720), (2, 595589360), (4, 297794680), (5, 238235744), (8, 148897340), (10, 119117872), (16, 74448670), (20, 59558936), (31, 38425120), (32, 37224335), (40, 29779468), (61, 19527520), (62, 19212560), (80, 14889734), (122, 9763760), (124, 9606280), (127, 9379360), (155, 7685024), (160, 7444867), (244, 4881880), (248, 4803140), (254, 4689680), (305, 3905504), (310, 3842512), (488, 2440940), (496, 2401570), (508, 2344840), (610, 1952752), (620, 1921256), (635, 1875872), (961, 1239520), (976, 1220470), (992, 1200785), (1016, 1172420), (1220, 976376), (1240, 960628), (1270, 937936), (1891, 629920), (1922, 619760), (1952, 610235), (2032, 586210), (2440, 488188), (2480, 480314), (2540, 468968), (3782, 314960), (3844, 309880), (3937, 302560), (4064, 293105), (4805, 247904), (4880, 244094), (4960, 240157), (5080, 234484), (7564, 157480), (7688, 154940), (7747, 153760), (7874, 151280), (9455, 125984), (9610, 123952), (9760, 122047), (10160, 117242), (15128, 78740), (15376, 77470), (15494, 76880), (15748, 75640), (18910, 62992), (19220, 61976), (19685, 60512), (20320, 58621), (30256, 39370), (30752, 38735), (30988, 38440), (31496, 37820)]