18735000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{1249}}^1$

素因数の和:1278

約数の個数: 80

約数和(自身を含む): 58575000

約数和(自身を除く): 39840000

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, 1249, 1250, 1500, 1875, 2498, 2500, 3000, 3747, 3750, 4996, 5000, 6245, 7494, 7500, 9992, 12490, 14988, 15000, 18735, 24980, 29976, 31225, 37470, 49960, 62450, 74940, 93675, 124900, 149880, 156125, 187350, 249800, 312250, 374700, 468375, 624500, 749400, 780625, 936750, 1249000, 1561250, 1873500, 2341875, 3122500, 3747000, 4683750, 6245000, 9367500, 18735000]

約数ペア:

[(1, 18735000), (2, 9367500), (3, 6245000), (4, 4683750), (5, 3747000), (6, 3122500), (8, 2341875), (10, 1873500), (12, 1561250), (15, 1249000), (20, 936750), (24, 780625), (25, 749400), (30, 624500), (40, 468375), (50, 374700), (60, 312250), (75, 249800), (100, 187350), (120, 156125), (125, 149880), (150, 124900), (200, 93675), (250, 74940), (300, 62450), (375, 49960), (500, 37470), (600, 31225), (625, 29976), (750, 24980), (1000, 18735), (1249, 15000), (1250, 14988), (1500, 12490), (1875, 9992), (2498, 7500), (2500, 7494), (3000, 6245), (3747, 5000), (3750, 4996)]