55687500

素因数分解:

$2^2\times 3^4\times 5^6\times {\mathrm{11}}^1$

素因数の和:57

約数の個数: 210

約数和(自身を含む): 198513084

約数和(自身を除く): 142825584

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 27, 30, 33, 36, 44, 45, 50, 54, 55, 60, 66, 75, 81, 90, 99, 100, 108, 110, 125, 132, 135, 150, 162, 165, 180, 198, 220, 225, 250, 270, 275, 297, 300, 324, 330, 375, 396, 405, 450, 495, 500, 540, 550, 594, 625, 660, 675, 750, 810, 825, 891, 900, 990, 1100, 1125, 1188, 1250, 1350, 1375, 1485, 1500, 1620, 1650, 1782, 1875, 1980, 2025, 2250, 2475, 2500, 2700, 2750, 2970, 3125, 3300, 3375, 3564, 3750, 4050, 4125, 4455, 4500, 4950, 5500, 5625, 5940, 6250, 6750, 6875, 7425, 7500, 8100, 8250, 8910, 9375, 9900, 10125, 11250, 12375, 12500, 13500, 13750, 14850, 15625, 16500, 16875, 17820, 18750, 20250, 20625, 22275, 22500, 24750, 27500, 28125, 29700, 31250, 33750, 34375, 37125, 37500, 40500, 41250, 44550, 46875, 49500, 50625, 56250, 61875, 62500, 67500, 68750, 74250, 82500, 84375, 89100, 93750, 101250, 103125, 111375, 112500, 123750, 137500, 140625, 148500, 168750, 171875, 185625, 187500, 202500, 206250, 222750, 247500, 253125, 281250, 309375, 337500, 343750, 371250, 412500, 421875, 445500, 506250, 515625, 556875, 562500, 618750, 687500, 742500, 843750, 928125, 1012500, 1031250, 1113750, 1237500, 1265625, 1546875, 1687500, 1856250, 2062500, 2227500, 2531250, 2784375, 3093750, 3712500, 4640625, 5062500, 5568750, 6187500, 9281250, 11137500, 13921875, 18562500, 27843750, 55687500]

約数ペア:

[(1, 55687500), (2, 27843750), (3, 18562500), (4, 13921875), (5, 11137500), (6, 9281250), (9, 6187500), (10, 5568750), (11, 5062500), (12, 4640625), (15, 3712500), (18, 3093750), (20, 2784375), (22, 2531250), (25, 2227500), (27, 2062500), (30, 1856250), (33, 1687500), (36, 1546875), (44, 1265625), (45, 1237500), (50, 1113750), (54, 1031250), (55, 1012500), (60, 928125), (66, 843750), (75, 742500), (81, 687500), (90, 618750), (99, 562500), (100, 556875), (108, 515625), (110, 506250), (125, 445500), (132, 421875), (135, 412500), (150, 371250), (162, 343750), (165, 337500), (180, 309375), (198, 281250), (220, 253125), (225, 247500), (250, 222750), (270, 206250), (275, 202500), (297, 187500), (300, 185625), (324, 171875), (330, 168750), (375, 148500), (396, 140625), (405, 137500), (450, 123750), (495, 112500), (500, 111375), (540, 103125), (550, 101250), (594, 93750), (625, 89100), (660, 84375), (675, 82500), (750, 74250), (810, 68750), (825, 67500), (891, 62500), (900, 61875), (990, 56250), (1100, 50625), (1125, 49500), (1188, 46875), (1250, 44550), (1350, 41250), (1375, 40500), (1485, 37500), (1500, 37125), (1620, 34375), (1650, 33750), (1782, 31250), (1875, 29700), (1980, 28125), (2025, 27500), (2250, 24750), (2475, 22500), (2500, 22275), (2700, 20625), (2750, 20250), (2970, 18750), (3125, 17820), (3300, 16875), (3375, 16500), (3564, 15625), (3750, 14850), (4050, 13750), (4125, 13500), (4455, 12500), (4500, 12375), (4950, 11250), (5500, 10125), (5625, 9900), (5940, 9375), (6250, 8910), (6750, 8250), (6875, 8100), (7425, 7500)]