64881000

素因数分解:

$2^3\times 3^6\times 5^3\times {\mathrm{89}}^1$

素因数の和:128

約数の個数: 224

約数和(自身を含む): 230185800

約数和(自身を除く): 165304800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 89, 90, 100, 108, 120, 125, 135, 150, 162, 178, 180, 200, 216, 225, 243, 250, 267, 270, 300, 324, 356, 360, 375, 405, 445, 450, 486, 500, 534, 540, 600, 648, 675, 712, 729, 750, 801, 810, 890, 900, 972, 1000, 1068, 1080, 1125, 1215, 1335, 1350, 1458, 1500, 1602, 1620, 1780, 1800, 1944, 2025, 2136, 2225, 2250, 2403, 2430, 2670, 2700, 2916, 3000, 3204, 3240, 3375, 3560, 3645, 4005, 4050, 4450, 4500, 4806, 4860, 5340, 5400, 5832, 6075, 6408, 6675, 6750, 7209, 7290, 8010, 8100, 8900, 9000, 9612, 9720, 10125, 10680, 11125, 12015, 12150, 13350, 13500, 14418, 14580, 16020, 16200, 17800, 18225, 19224, 20025, 20250, 21627, 22250, 24030, 24300, 26700, 27000, 28836, 29160, 30375, 32040, 33375, 36045, 36450, 40050, 40500, 43254, 44500, 48060, 48600, 53400, 57672, 60075, 60750, 64881, 66750, 72090, 72900, 80100, 81000, 86508, 89000, 91125, 96120, 100125, 108135, 120150, 121500, 129762, 133500, 144180, 145800, 160200, 173016, 180225, 182250, 200250, 216270, 240300, 243000, 259524, 267000, 288360, 300375, 324405, 360450, 364500, 400500, 432540, 480600, 519048, 540675, 600750, 648810, 720900, 729000, 801000, 865080, 901125, 1081350, 1201500, 1297620, 1441800, 1622025, 1802250, 2162700, 2403000, 2595240, 2703375, 3244050, 3604500, 4325400, 5406750, 6488100, 7209000, 8110125, 10813500, 12976200, 16220250, 21627000, 32440500, 64881000]

約数ペア:

[(1, 64881000), (2, 32440500), (3, 21627000), (4, 16220250), (5, 12976200), (6, 10813500), (8, 8110125), (9, 7209000), (10, 6488100), (12, 5406750), (15, 4325400), (18, 3604500), (20, 3244050), (24, 2703375), (25, 2595240), (27, 2403000), (30, 2162700), (36, 1802250), (40, 1622025), (45, 1441800), (50, 1297620), (54, 1201500), (60, 1081350), (72, 901125), (75, 865080), (81, 801000), (89, 729000), (90, 720900), (100, 648810), (108, 600750), (120, 540675), (125, 519048), (135, 480600), (150, 432540), (162, 400500), (178, 364500), (180, 360450), (200, 324405), (216, 300375), (225, 288360), (243, 267000), (250, 259524), (267, 243000), (270, 240300), (300, 216270), (324, 200250), (356, 182250), (360, 180225), (375, 173016), (405, 160200), (445, 145800), (450, 144180), (486, 133500), (500, 129762), (534, 121500), (540, 120150), (600, 108135), (648, 100125), (675, 96120), (712, 91125), (729, 89000), (750, 86508), (801, 81000), (810, 80100), (890, 72900), (900, 72090), (972, 66750), (1000, 64881), (1068, 60750), (1080, 60075), (1125, 57672), (1215, 53400), (1335, 48600), (1350, 48060), (1458, 44500), (1500, 43254), (1602, 40500), (1620, 40050), (1780, 36450), (1800, 36045), (1944, 33375), (2025, 32040), (2136, 30375), (2225, 29160), (2250, 28836), (2403, 27000), (2430, 26700), (2670, 24300), (2700, 24030), (2916, 22250), (3000, 21627), (3204, 20250), (3240, 20025), (3375, 19224), (3560, 18225), (3645, 17800), (4005, 16200), (4050, 16020), (4450, 14580), (4500, 14418), (4806, 13500), (4860, 13350), (5340, 12150), (5400, 12015), (5832, 11125), (6075, 10680), (6408, 10125), (6675, 9720), (6750, 9612), (7209, 9000), (7290, 8900), (8010, 8100)]