639290520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7019}}^1$

素因数の和:7070

約数の個数: 192

約数和(自身を含む): 2365459200

約数和(自身を除く): 1726168680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 23, 24, 30, 33, 36, 40, 44, 45, 46, 55, 60, 66, 69, 72, 88, 90, 92, 99, 110, 115, 120, 132, 138, 165, 180, 184, 198, 207, 220, 230, 253, 264, 276, 330, 345, 360, 396, 414, 440, 460, 495, 506, 552, 660, 690, 759, 792, 828, 920, 990, 1012, 1035, 1265, 1320, 1380, 1518, 1656, 1980, 2024, 2070, 2277, 2530, 2760, 3036, 3795, 3960, 4140, 4554, 5060, 6072, 7019, 7590, 8280, 9108, 10120, 11385, 14038, 15180, 18216, 21057, 22770, 28076, 30360, 35095, 42114, 45540, 56152, 63171, 70190, 77209, 84228, 91080, 105285, 126342, 140380, 154418, 161437, 168456, 210570, 231627, 252684, 280760, 308836, 315855, 322874, 386045, 421140, 463254, 484311, 505368, 617672, 631710, 645748, 694881, 772090, 807185, 842280, 926508, 968622, 1158135, 1263420, 1291496, 1389762, 1452933, 1544180, 1614370, 1775807, 1853016, 1937244, 2316270, 2421555, 2526840, 2779524, 2905866, 3088360, 3228740, 3474405, 3551614, 3874488, 4632540, 4843110, 5327421, 5559048, 5811732, 6457480, 6948810, 7103228, 7264665, 8879035, 9265080, 9686220, 10654842, 11623464, 13897620, 14206456, 14529330, 15982263, 17758070, 19372440, 21309684, 26637105, 27795240, 29058660, 31964526, 35516140, 42619368, 53274210, 58117320, 63929052, 71032280, 79911315, 106548420, 127858104, 159822630, 213096840, 319645260, 639290520]

約数ペア:

[(1, 639290520), (2, 319645260), (3, 213096840), (4, 159822630), (5, 127858104), (6, 106548420), (8, 79911315), (9, 71032280), (10, 63929052), (11, 58117320), (12, 53274210), (15, 42619368), (18, 35516140), (20, 31964526), (22, 29058660), (23, 27795240), (24, 26637105), (30, 21309684), (33, 19372440), (36, 17758070), (40, 15982263), (44, 14529330), (45, 14206456), (46, 13897620), (55, 11623464), (60, 10654842), (66, 9686220), (69, 9265080), (72, 8879035), (88, 7264665), (90, 7103228), (92, 6948810), (99, 6457480), (110, 5811732), (115, 5559048), (120, 5327421), (132, 4843110), (138, 4632540), (165, 3874488), (180, 3551614), (184, 3474405), (198, 3228740), (207, 3088360), (220, 2905866), (230, 2779524), (253, 2526840), (264, 2421555), (276, 2316270), (330, 1937244), (345, 1853016), (360, 1775807), (396, 1614370), (414, 1544180), (440, 1452933), (460, 1389762), (495, 1291496), (506, 1263420), (552, 1158135), (660, 968622), (690, 926508), (759, 842280), (792, 807185), (828, 772090), (920, 694881), (990, 645748), (1012, 631710), (1035, 617672), (1265, 505368), (1320, 484311), (1380, 463254), (1518, 421140), (1656, 386045), (1980, 322874), (2024, 315855), (2070, 308836), (2277, 280760), (2530, 252684), (2760, 231627), (3036, 210570), (3795, 168456), (3960, 161437), (4140, 154418), (4554, 140380), (5060, 126342), (6072, 105285), (7019, 91080), (7590, 84228), (8280, 77209), (9108, 70190), (10120, 63171), (11385, 56152), (14038, 45540), (15180, 42114), (18216, 35095), (21057, 30360), (22770, 28076)]