90120000

素因数分解:

$2^6\times 3^1\times 5^4\times {\mathrm{751}}^1$

素因数の和:786

約数の個数: 140

約数和(自身を含む): 298354496

約数和(自身を除く): 208234496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 125, 150, 160, 192, 200, 240, 250, 300, 320, 375, 400, 480, 500, 600, 625, 750, 751, 800, 960, 1000, 1200, 1250, 1500, 1502, 1600, 1875, 2000, 2253, 2400, 2500, 3000, 3004, 3750, 3755, 4000, 4506, 4800, 5000, 6000, 6008, 7500, 7510, 8000, 9012, 10000, 11265, 12000, 12016, 15000, 15020, 18024, 18775, 20000, 22530, 24000, 24032, 30000, 30040, 36048, 37550, 40000, 45060, 48064, 56325, 60000, 60080, 72096, 75100, 90120, 93875, 112650, 120000, 120160, 144192, 150200, 180240, 187750, 225300, 240320, 281625, 300400, 360480, 375500, 450600, 469375, 563250, 600800, 720960, 751000, 901200, 938750, 1126500, 1201600, 1408125, 1502000, 1802400, 1877500, 2253000, 2816250, 3004000, 3604800, 3755000, 4506000, 5632500, 6008000, 7510000, 9012000, 11265000, 15020000, 18024000, 22530000, 30040000, 45060000, 90120000]

約数ペア:

[(1, 90120000), (2, 45060000), (3, 30040000), (4, 22530000), (5, 18024000), (6, 15020000), (8, 11265000), (10, 9012000), (12, 7510000), (15, 6008000), (16, 5632500), (20, 4506000), (24, 3755000), (25, 3604800), (30, 3004000), (32, 2816250), (40, 2253000), (48, 1877500), (50, 1802400), (60, 1502000), (64, 1408125), (75, 1201600), (80, 1126500), (96, 938750), (100, 901200), (120, 751000), (125, 720960), (150, 600800), (160, 563250), (192, 469375), (200, 450600), (240, 375500), (250, 360480), (300, 300400), (320, 281625), (375, 240320), (400, 225300), (480, 187750), (500, 180240), (600, 150200), (625, 144192), (750, 120160), (751, 120000), (800, 112650), (960, 93875), (1000, 90120), (1200, 75100), (1250, 72096), (1500, 60080), (1502, 60000), (1600, 56325), (1875, 48064), (2000, 45060), (2253, 40000), (2400, 37550), (2500, 36048), (3000, 30040), (3004, 30000), (3750, 24032), (3755, 24000), (4000, 22530), (4506, 20000), (4800, 18775), (5000, 18024), (6000, 15020), (6008, 15000), (7500, 12016), (7510, 12000), (8000, 11265), (9012, 10000)]