28380000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 240

約数和(自身を含む): 103916736

約数和(自身を除く): 75536736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 32, 33, 40, 43, 44, 48, 50, 55, 60, 66, 75, 80, 86, 88, 96, 100, 110, 120, 125, 129, 132, 150, 160, 165, 172, 176, 200, 215, 220, 240, 250, 258, 264, 275, 300, 330, 344, 352, 375, 400, 430, 440, 473, 480, 500, 516, 528, 550, 600, 625, 645, 660, 688, 750, 800, 825, 860, 880, 946, 1000, 1032, 1056, 1075, 1100, 1200, 1250, 1290, 1320, 1375, 1376, 1419, 1500, 1650, 1720, 1760, 1875, 1892, 2000, 2064, 2150, 2200, 2365, 2400, 2500, 2580, 2640, 2750, 2838, 3000, 3225, 3300, 3440, 3750, 3784, 4000, 4125, 4128, 4300, 4400, 4730, 5000, 5160, 5280, 5375, 5500, 5676, 6000, 6450, 6600, 6875, 6880, 7095, 7500, 7568, 8250, 8600, 8800, 9460, 10000, 10320, 10750, 11000, 11352, 11825, 12000, 12900, 13200, 13750, 14190, 15000, 15136, 16125, 16500, 17200, 18920, 20000, 20625, 20640, 21500, 22000, 22704, 23650, 25800, 26400, 26875, 27500, 28380, 30000, 32250, 33000, 34400, 35475, 37840, 41250, 43000, 44000, 45408, 47300, 51600, 53750, 55000, 56760, 59125, 60000, 64500, 66000, 70950, 75680, 80625, 82500, 86000, 94600, 103200, 107500, 110000, 113520, 118250, 129000, 132000, 141900, 161250, 165000, 172000, 177375, 189200, 215000, 220000, 227040, 236500, 258000, 283800, 295625, 322500, 330000, 354750, 378400, 430000, 473000, 516000, 567600, 591250, 645000, 660000, 709500, 860000, 886875, 946000, 1135200, 1182500, 1290000, 1419000, 1773750, 1892000, 2365000, 2580000, 2838000, 3547500, 4730000, 5676000, 7095000, 9460000, 14190000, 28380000]

約数ペア:

[(1, 28380000), (2, 14190000), (3, 9460000), (4, 7095000), (5, 5676000), (6, 4730000), (8, 3547500), (10, 2838000), (11, 2580000), (12, 2365000), (15, 1892000), (16, 1773750), (20, 1419000), (22, 1290000), (24, 1182500), (25, 1135200), (30, 946000), (32, 886875), (33, 860000), (40, 709500), (43, 660000), (44, 645000), (48, 591250), (50, 567600), (55, 516000), (60, 473000), (66, 430000), (75, 378400), (80, 354750), (86, 330000), (88, 322500), (96, 295625), (100, 283800), (110, 258000), (120, 236500), (125, 227040), (129, 220000), (132, 215000), (150, 189200), (160, 177375), (165, 172000), (172, 165000), (176, 161250), (200, 141900), (215, 132000), (220, 129000), (240, 118250), (250, 113520), (258, 110000), (264, 107500), (275, 103200), (300, 94600), (330, 86000), (344, 82500), (352, 80625), (375, 75680), (400, 70950), (430, 66000), (440, 64500), (473, 60000), (480, 59125), (500, 56760), (516, 55000), (528, 53750), (550, 51600), (600, 47300), (625, 45408), (645, 44000), (660, 43000), (688, 41250), (750, 37840), (800, 35475), (825, 34400), (860, 33000), (880, 32250), (946, 30000), (1000, 28380), (1032, 27500), (1056, 26875), (1075, 26400), (1100, 25800), (1200, 23650), (1250, 22704), (1290, 22000), (1320, 21500), (1375, 20640), (1376, 20625), (1419, 20000), (1500, 18920), (1650, 17200), (1720, 16500), (1760, 16125), (1875, 15136), (1892, 15000), (2000, 14190), (2064, 13750), (2150, 13200), (2200, 12900), (2365, 12000), (2400, 11825), (2500, 11352), (2580, 11000), (2640, 10750), (2750, 10320), (2838, 10000), (3000, 9460), (3225, 8800), (3300, 8600), (3440, 8250), (3750, 7568), (3784, 7500), (4000, 7095), (4125, 6880), (4128, 6875), (4300, 6600), (4400, 6450), (4730, 6000), (5000, 5676), (5160, 5500), (5280, 5375)]