123847920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{8191}}^1$

素因数の和:8220

約数の個数: 160

約数和(自身を含む): 487587840

約数和(自身を除く): 363739920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 8191, 15120, 16382, 24573, 32764, 40955, 49146, 57337, 65528, 73719, 81910, 98292, 114674, 122865, 131056, 147438, 163820, 172011, 196584, 221157, 229348, 245730, 286685, 294876, 327640, 344022, 368595, 393168, 442314, 458696, 491460, 516033, 573370, 589752, 655280, 688044, 737190, 860055, 884628, 917392, 982920, 1032066, 1105785, 1146740, 1179504, 1376088, 1474380, 1548099, 1720110, 1769256, 1965840, 2064132, 2211570, 2293480, 2580165, 2752176, 2948760, 3096198, 3440220, 3538512, 4128264, 4423140, 4586960, 5160330, 5897520, 6192396, 6880440, 7740495, 8256528, 8846280, 10320660, 12384792, 13760880, 15480990, 17692560, 20641320, 24769584, 30961980, 41282640, 61923960, 123847920]

約数ペア:

[(1, 123847920), (2, 61923960), (3, 41282640), (4, 30961980), (5, 24769584), (6, 20641320), (7, 17692560), (8, 15480990), (9, 13760880), (10, 12384792), (12, 10320660), (14, 8846280), (15, 8256528), (16, 7740495), (18, 6880440), (20, 6192396), (21, 5897520), (24, 5160330), (27, 4586960), (28, 4423140), (30, 4128264), (35, 3538512), (36, 3440220), (40, 3096198), (42, 2948760), (45, 2752176), (48, 2580165), (54, 2293480), (56, 2211570), (60, 2064132), (63, 1965840), (70, 1769256), (72, 1720110), (80, 1548099), (84, 1474380), (90, 1376088), (105, 1179504), (108, 1146740), (112, 1105785), (120, 1032066), (126, 982920), (135, 917392), (140, 884628), (144, 860055), (168, 737190), (180, 688044), (189, 655280), (210, 589752), (216, 573370), (240, 516033), (252, 491460), (270, 458696), (280, 442314), (315, 393168), (336, 368595), (360, 344022), (378, 327640), (420, 294876), (432, 286685), (504, 245730), (540, 229348), (560, 221157), (630, 196584), (720, 172011), (756, 163820), (840, 147438), (945, 131056), (1008, 122865), (1080, 114674), (1260, 98292), (1512, 81910), (1680, 73719), (1890, 65528), (2160, 57337), (2520, 49146), (3024, 40955), (3780, 32764), (5040, 24573), (7560, 16382), (8191, 15120)]