1998000

素因数分解:

$2^4\times 3^3\times 5^3\times {\mathrm{37}}^1$

素因数の和:69

約数の個数: 160

約数和(自身を含む): 7350720

約数和(自身を除く): 5352720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 37, 40, 45, 48, 50, 54, 60, 72, 74, 75, 80, 90, 100, 108, 111, 120, 125, 135, 144, 148, 150, 180, 185, 200, 216, 222, 225, 240, 250, 270, 296, 300, 333, 360, 370, 375, 400, 432, 444, 450, 500, 540, 555, 592, 600, 666, 675, 720, 740, 750, 888, 900, 925, 999, 1000, 1080, 1110, 1125, 1200, 1332, 1350, 1480, 1500, 1665, 1776, 1800, 1850, 1998, 2000, 2160, 2220, 2250, 2664, 2700, 2775, 2960, 3000, 3330, 3375, 3600, 3700, 3996, 4440, 4500, 4625, 4995, 5328, 5400, 5550, 6000, 6660, 6750, 7400, 7992, 8325, 8880, 9000, 9250, 9990, 10800, 11100, 13320, 13500, 13875, 14800, 15984, 16650, 18000, 18500, 19980, 22200, 24975, 26640, 27000, 27750, 33300, 37000, 39960, 41625, 44400, 49950, 54000, 55500, 66600, 74000, 79920, 83250, 99900, 111000, 124875, 133200, 166500, 199800, 222000, 249750, 333000, 399600, 499500, 666000, 999000, 1998000]

約数ペア:

[(1, 1998000), (2, 999000), (3, 666000), (4, 499500), (5, 399600), (6, 333000), (8, 249750), (9, 222000), (10, 199800), (12, 166500), (15, 133200), (16, 124875), (18, 111000), (20, 99900), (24, 83250), (25, 79920), (27, 74000), (30, 66600), (36, 55500), (37, 54000), (40, 49950), (45, 44400), (48, 41625), (50, 39960), (54, 37000), (60, 33300), (72, 27750), (74, 27000), (75, 26640), (80, 24975), (90, 22200), (100, 19980), (108, 18500), (111, 18000), (120, 16650), (125, 15984), (135, 14800), (144, 13875), (148, 13500), (150, 13320), (180, 11100), (185, 10800), (200, 9990), (216, 9250), (222, 9000), (225, 8880), (240, 8325), (250, 7992), (270, 7400), (296, 6750), (300, 6660), (333, 6000), (360, 5550), (370, 5400), (375, 5328), (400, 4995), (432, 4625), (444, 4500), (450, 4440), (500, 3996), (540, 3700), (555, 3600), (592, 3375), (600, 3330), (666, 3000), (675, 2960), (720, 2775), (740, 2700), (750, 2664), (888, 2250), (900, 2220), (925, 2160), (999, 2000), (1000, 1998), (1080, 1850), (1110, 1800), (1125, 1776), (1200, 1665), (1332, 1500), (1350, 1480)]