81195000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{5413}}^1$

素因数の和:5442

約数の個数: 80

約数和(自身を含む): 253700040

約数和(自身を除く): 172505040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 1000, 1250, 1500, 1875, 2500, 3000, 3750, 5000, 5413, 7500, 10826, 15000, 16239, 21652, 27065, 32478, 43304, 54130, 64956, 81195, 108260, 129912, 135325, 162390, 216520, 270650, 324780, 405975, 541300, 649560, 676625, 811950, 1082600, 1353250, 1623900, 2029875, 2706500, 3247800, 3383125, 4059750, 5413000, 6766250, 8119500, 10149375, 13532500, 16239000, 20298750, 27065000, 40597500, 81195000]

約数ペア:

[(1, 81195000), (2, 40597500), (3, 27065000), (4, 20298750), (5, 16239000), (6, 13532500), (8, 10149375), (10, 8119500), (12, 6766250), (15, 5413000), (20, 4059750), (24, 3383125), (25, 3247800), (30, 2706500), (40, 2029875), (50, 1623900), (60, 1353250), (75, 1082600), (100, 811950), (120, 676625), (125, 649560), (150, 541300), (200, 405975), (250, 324780), (300, 270650), (375, 216520), (500, 162390), (600, 135325), (625, 129912), (750, 108260), (1000, 81195), (1250, 64956), (1500, 54130), (1875, 43304), (2500, 32478), (3000, 27065), (3750, 21652), (5000, 16239), (5413, 15000), (7500, 10826)]