261200880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15773}}^1$

素因数の和:15815

約数の個数: 120

約数和(自身を含む): 915396768

約数和(自身を除く): 654195888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 2070, 2760, 3312, 4140, 5520, 8280, 15773, 16560, 31546, 47319, 63092, 78865, 94638, 126184, 141957, 157730, 189276, 236595, 252368, 283914, 315460, 362779, 378552, 473190, 567828, 630920, 709785, 725558, 757104, 946380, 1088337, 1135656, 1261840, 1419570, 1451116, 1813895, 1892760, 2176674, 2271312, 2839140, 2902232, 3265011, 3627790, 3785520, 4353348, 5441685, 5678280, 5804464, 6530022, 7255580, 8706696, 10883370, 11356560, 13060044, 14511160, 16325055, 17413392, 21766740, 26120088, 29022320, 32650110, 43533480, 52240176, 65300220, 87066960, 130600440, 261200880]

約数ペア:

[(1, 261200880), (2, 130600440), (3, 87066960), (4, 65300220), (5, 52240176), (6, 43533480), (8, 32650110), (9, 29022320), (10, 26120088), (12, 21766740), (15, 17413392), (16, 16325055), (18, 14511160), (20, 13060044), (23, 11356560), (24, 10883370), (30, 8706696), (36, 7255580), (40, 6530022), (45, 5804464), (46, 5678280), (48, 5441685), (60, 4353348), (69, 3785520), (72, 3627790), (80, 3265011), (90, 2902232), (92, 2839140), (115, 2271312), (120, 2176674), (138, 1892760), (144, 1813895), (180, 1451116), (184, 1419570), (207, 1261840), (230, 1135656), (240, 1088337), (276, 946380), (345, 757104), (360, 725558), (368, 709785), (414, 630920), (460, 567828), (552, 473190), (690, 378552), (720, 362779), (828, 315460), (920, 283914), (1035, 252368), (1104, 236595), (1380, 189276), (1656, 157730), (1840, 141957), (2070, 126184), (2760, 94638), (3312, 78865), (4140, 63092), (5520, 47319), (8280, 31546), (15773, 16560)]