18660000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{311}}^1$

素因数の和:344

約数の個数: 120

約数和(自身を含む): 61405344

約数和(自身を除く): 42745344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 300, 311, 375, 400, 480, 500, 600, 622, 625, 750, 800, 933, 1000, 1200, 1244, 1250, 1500, 1555, 1866, 1875, 2000, 2400, 2488, 2500, 3000, 3110, 3732, 3750, 4000, 4665, 4976, 5000, 6000, 6220, 7464, 7500, 7775, 9330, 9952, 10000, 12000, 12440, 14928, 15000, 15550, 18660, 20000, 23325, 24880, 29856, 30000, 31100, 37320, 38875, 46650, 49760, 60000, 62200, 74640, 77750, 93300, 116625, 124400, 149280, 155500, 186600, 194375, 233250, 248800, 311000, 373200, 388750, 466500, 583125, 622000, 746400, 777500, 933000, 1166250, 1244000, 1555000, 1866000, 2332500, 3110000, 3732000, 4665000, 6220000, 9330000, 18660000]

約数ペア:

[(1, 18660000), (2, 9330000), (3, 6220000), (4, 4665000), (5, 3732000), (6, 3110000), (8, 2332500), (10, 1866000), (12, 1555000), (15, 1244000), (16, 1166250), (20, 933000), (24, 777500), (25, 746400), (30, 622000), (32, 583125), (40, 466500), (48, 388750), (50, 373200), (60, 311000), (75, 248800), (80, 233250), (96, 194375), (100, 186600), (120, 155500), (125, 149280), (150, 124400), (160, 116625), (200, 93300), (240, 77750), (250, 74640), (300, 62200), (311, 60000), (375, 49760), (400, 46650), (480, 38875), (500, 37320), (600, 31100), (622, 30000), (625, 29856), (750, 24880), (800, 23325), (933, 20000), (1000, 18660), (1200, 15550), (1244, 15000), (1250, 14928), (1500, 12440), (1555, 12000), (1866, 10000), (1875, 9952), (2000, 9330), (2400, 7775), (2488, 7500), (2500, 7464), (3000, 6220), (3110, 6000), (3732, 5000), (3750, 4976), (4000, 4665)]