81750000

素因数分解:

$2^4\times 3^1\times 5^6\times {\mathrm{109}}^1$

素因数の和:150

約数の個数: 140

約数和(自身を含む): 266402840

約数和(自身を除く): 184652840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 109, 120, 125, 150, 200, 218, 240, 250, 300, 327, 375, 400, 436, 500, 545, 600, 625, 654, 750, 872, 1000, 1090, 1200, 1250, 1308, 1500, 1635, 1744, 1875, 2000, 2180, 2500, 2616, 2725, 3000, 3125, 3270, 3750, 4360, 5000, 5232, 5450, 6000, 6250, 6540, 7500, 8175, 8720, 9375, 10000, 10900, 12500, 13080, 13625, 15000, 15625, 16350, 18750, 21800, 25000, 26160, 27250, 30000, 31250, 32700, 37500, 40875, 43600, 46875, 50000, 54500, 62500, 65400, 68125, 75000, 81750, 93750, 109000, 125000, 130800, 136250, 150000, 163500, 187500, 204375, 218000, 250000, 272500, 327000, 340625, 375000, 408750, 545000, 654000, 681250, 750000, 817500, 1021875, 1090000, 1362500, 1635000, 1703125, 2043750, 2725000, 3270000, 3406250, 4087500, 5109375, 5450000, 6812500, 8175000, 10218750, 13625000, 16350000, 20437500, 27250000, 40875000, 81750000]

約数ペア:

[(1, 81750000), (2, 40875000), (3, 27250000), (4, 20437500), (5, 16350000), (6, 13625000), (8, 10218750), (10, 8175000), (12, 6812500), (15, 5450000), (16, 5109375), (20, 4087500), (24, 3406250), (25, 3270000), (30, 2725000), (40, 2043750), (48, 1703125), (50, 1635000), (60, 1362500), (75, 1090000), (80, 1021875), (100, 817500), (109, 750000), (120, 681250), (125, 654000), (150, 545000), (200, 408750), (218, 375000), (240, 340625), (250, 327000), (300, 272500), (327, 250000), (375, 218000), (400, 204375), (436, 187500), (500, 163500), (545, 150000), (600, 136250), (625, 130800), (654, 125000), (750, 109000), (872, 93750), (1000, 81750), (1090, 75000), (1200, 68125), (1250, 65400), (1308, 62500), (1500, 54500), (1635, 50000), (1744, 46875), (1875, 43600), (2000, 40875), (2180, 37500), (2500, 32700), (2616, 31250), (2725, 30000), (3000, 27250), (3125, 26160), (3270, 25000), (3750, 21800), (4360, 18750), (5000, 16350), (5232, 15625), (5450, 15000), (6000, 13625), (6250, 13080), (6540, 12500), (7500, 10900), (8175, 10000), (8720, 9375)]