8991000

素因数分解:

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

素因数の和:73

約数の個数: 192

約数和(自身を含む): 32366880

約数和(自身を除く): 23375880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 37, 40, 45, 50, 54, 60, 72, 74, 75, 81, 90, 100, 108, 111, 120, 125, 135, 148, 150, 162, 180, 185, 200, 216, 222, 225, 243, 250, 270, 296, 300, 324, 333, 360, 370, 375, 405, 444, 450, 486, 500, 540, 555, 600, 648, 666, 675, 740, 750, 810, 888, 900, 925, 972, 999, 1000, 1080, 1110, 1125, 1215, 1332, 1350, 1480, 1500, 1620, 1665, 1800, 1850, 1944, 1998, 2025, 2220, 2250, 2430, 2664, 2700, 2775, 2997, 3000, 3240, 3330, 3375, 3700, 3996, 4050, 4440, 4500, 4625, 4860, 4995, 5400, 5550, 5994, 6075, 6660, 6750, 7400, 7992, 8100, 8325, 8991, 9000, 9250, 9720, 9990, 10125, 11100, 11988, 12150, 13320, 13500, 13875, 14985, 16200, 16650, 17982, 18500, 19980, 20250, 22200, 23976, 24300, 24975, 27000, 27750, 29970, 30375, 33300, 35964, 37000, 39960, 40500, 41625, 44955, 48600, 49950, 55500, 59940, 60750, 66600, 71928, 74925, 81000, 83250, 89910, 99900, 111000, 119880, 121500, 124875, 149850, 166500, 179820, 199800, 224775, 243000, 249750, 299700, 333000, 359640, 374625, 449550, 499500, 599400, 749250, 899100, 999000, 1123875, 1498500, 1798200, 2247750, 2997000, 4495500, 8991000]

約数ペア:

[(1, 8991000), (2, 4495500), (3, 2997000), (4, 2247750), (5, 1798200), (6, 1498500), (8, 1123875), (9, 999000), (10, 899100), (12, 749250), (15, 599400), (18, 499500), (20, 449550), (24, 374625), (25, 359640), (27, 333000), (30, 299700), (36, 249750), (37, 243000), (40, 224775), (45, 199800), (50, 179820), (54, 166500), (60, 149850), (72, 124875), (74, 121500), (75, 119880), (81, 111000), (90, 99900), (100, 89910), (108, 83250), (111, 81000), (120, 74925), (125, 71928), (135, 66600), (148, 60750), (150, 59940), (162, 55500), (180, 49950), (185, 48600), (200, 44955), (216, 41625), (222, 40500), (225, 39960), (243, 37000), (250, 35964), (270, 33300), (296, 30375), (300, 29970), (324, 27750), (333, 27000), (360, 24975), (370, 24300), (375, 23976), (405, 22200), (444, 20250), (450, 19980), (486, 18500), (500, 17982), (540, 16650), (555, 16200), (600, 14985), (648, 13875), (666, 13500), (675, 13320), (740, 12150), (750, 11988), (810, 11100), (888, 10125), (900, 9990), (925, 9720), (972, 9250), (999, 9000), (1000, 8991), (1080, 8325), (1110, 8100), (1125, 7992), (1215, 7400), (1332, 6750), (1350, 6660), (1480, 6075), (1500, 5994), (1620, 5550), (1665, 5400), (1800, 4995), (1850, 4860), (1944, 4625), (1998, 4500), (2025, 4440), (2220, 4050), (2250, 3996), (2430, 3700), (2664, 3375), (2700, 3330), (2775, 3240), (2997, 3000)]