648990000

素因数分解:

$2^4\times 3^2\times 5^4\times {\mathrm{7211}}^1$

素因数の和:7245

約数の個数: 150

約数和(自身を含む): 2269926516

約数和(自身を除く): 1620936516

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 125, 144, 150, 180, 200, 225, 240, 250, 300, 360, 375, 400, 450, 500, 600, 625, 720, 750, 900, 1000, 1125, 1200, 1250, 1500, 1800, 1875, 2000, 2250, 2500, 3000, 3600, 3750, 4500, 5000, 5625, 6000, 7211, 7500, 9000, 10000, 11250, 14422, 15000, 18000, 21633, 22500, 28844, 30000, 36055, 43266, 45000, 57688, 64899, 72110, 86532, 90000, 108165, 115376, 129798, 144220, 173064, 180275, 216330, 259596, 288440, 324495, 346128, 360550, 432660, 519192, 540825, 576880, 648990, 721100, 865320, 901375, 1038384, 1081650, 1297980, 1442200, 1622475, 1730640, 1802750, 2163300, 2595960, 2704125, 2884400, 3244950, 3605500, 4326600, 4506875, 5191920, 5408250, 6489900, 7211000, 8112375, 8653200, 9013750, 10816500, 12979800, 13520625, 14422000, 16224750, 18027500, 21633000, 25959600, 27041250, 32449500, 36055000, 40561875, 43266000, 54082500, 64899000, 72110000, 81123750, 108165000, 129798000, 162247500, 216330000, 324495000, 648990000]

約数ペア:

[(1, 648990000), (2, 324495000), (3, 216330000), (4, 162247500), (5, 129798000), (6, 108165000), (8, 81123750), (9, 72110000), (10, 64899000), (12, 54082500), (15, 43266000), (16, 40561875), (18, 36055000), (20, 32449500), (24, 27041250), (25, 25959600), (30, 21633000), (36, 18027500), (40, 16224750), (45, 14422000), (48, 13520625), (50, 12979800), (60, 10816500), (72, 9013750), (75, 8653200), (80, 8112375), (90, 7211000), (100, 6489900), (120, 5408250), (125, 5191920), (144, 4506875), (150, 4326600), (180, 3605500), (200, 3244950), (225, 2884400), (240, 2704125), (250, 2595960), (300, 2163300), (360, 1802750), (375, 1730640), (400, 1622475), (450, 1442200), (500, 1297980), (600, 1081650), (625, 1038384), (720, 901375), (750, 865320), (900, 721100), (1000, 648990), (1125, 576880), (1200, 540825), (1250, 519192), (1500, 432660), (1800, 360550), (1875, 346128), (2000, 324495), (2250, 288440), (2500, 259596), (3000, 216330), (3600, 180275), (3750, 173064), (4500, 144220), (5000, 129798), (5625, 115376), (6000, 108165), (7211, 90000), (7500, 86532), (9000, 72110), (10000, 64899), (11250, 57688), (14422, 45000), (15000, 43266), (18000, 36055), (21633, 30000), (22500, 28844)]