72128000

素因数分解:

$2^9\times 5^3\times 7^2\times {\mathrm{23}}^1$

素因数の和:70

約数の個数: 240

約数和(自身を含む): 218316384

約数和(自身を除く): 146188384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 49, 50, 56, 64, 70, 80, 92, 98, 100, 112, 115, 125, 128, 140, 160, 161, 175, 184, 196, 200, 224, 230, 245, 250, 256, 280, 320, 322, 350, 368, 392, 400, 448, 460, 490, 500, 512, 560, 575, 640, 644, 700, 736, 784, 800, 805, 875, 896, 920, 980, 1000, 1120, 1127, 1150, 1225, 1280, 1288, 1400, 1472, 1568, 1600, 1610, 1750, 1792, 1840, 1960, 2000, 2240, 2254, 2300, 2450, 2560, 2576, 2800, 2875, 2944, 3136, 3200, 3220, 3500, 3584, 3680, 3920, 4000, 4025, 4480, 4508, 4600, 4900, 5152, 5600, 5635, 5750, 5888, 6125, 6272, 6400, 6440, 7000, 7360, 7840, 8000, 8050, 8960, 9016, 9200, 9800, 10304, 11200, 11270, 11500, 11776, 12250, 12544, 12800, 12880, 14000, 14720, 15680, 16000, 16100, 17920, 18032, 18400, 19600, 20125, 20608, 22400, 22540, 23000, 24500, 25088, 25760, 28000, 28175, 29440, 31360, 32000, 32200, 36064, 36800, 39200, 40250, 41216, 44800, 45080, 46000, 49000, 51520, 56000, 56350, 58880, 62720, 64000, 64400, 72128, 73600, 78400, 80500, 82432, 89600, 90160, 92000, 98000, 103040, 112000, 112700, 125440, 128800, 140875, 144256, 147200, 156800, 161000, 180320, 184000, 196000, 206080, 224000, 225400, 257600, 281750, 288512, 294400, 313600, 322000, 360640, 368000, 392000, 412160, 448000, 450800, 515200, 563500, 577024, 627200, 644000, 721280, 736000, 784000, 901600, 1030400, 1127000, 1288000, 1442560, 1472000, 1568000, 1803200, 2060800, 2254000, 2576000, 2885120, 3136000, 3606400, 4508000, 5152000, 7212800, 9016000, 10304000, 14425600, 18032000, 36064000, 72128000]

約数ペア:

[(1, 72128000), (2, 36064000), (4, 18032000), (5, 14425600), (7, 10304000), (8, 9016000), (10, 7212800), (14, 5152000), (16, 4508000), (20, 3606400), (23, 3136000), (25, 2885120), (28, 2576000), (32, 2254000), (35, 2060800), (40, 1803200), (46, 1568000), (49, 1472000), (50, 1442560), (56, 1288000), (64, 1127000), (70, 1030400), (80, 901600), (92, 784000), (98, 736000), (100, 721280), (112, 644000), (115, 627200), (125, 577024), (128, 563500), (140, 515200), (160, 450800), (161, 448000), (175, 412160), (184, 392000), (196, 368000), (200, 360640), (224, 322000), (230, 313600), (245, 294400), (250, 288512), (256, 281750), (280, 257600), (320, 225400), (322, 224000), (350, 206080), (368, 196000), (392, 184000), (400, 180320), (448, 161000), (460, 156800), (490, 147200), (500, 144256), (512, 140875), (560, 128800), (575, 125440), (640, 112700), (644, 112000), (700, 103040), (736, 98000), (784, 92000), (800, 90160), (805, 89600), (875, 82432), (896, 80500), (920, 78400), (980, 73600), (1000, 72128), (1120, 64400), (1127, 64000), (1150, 62720), (1225, 58880), (1280, 56350), (1288, 56000), (1400, 51520), (1472, 49000), (1568, 46000), (1600, 45080), (1610, 44800), (1750, 41216), (1792, 40250), (1840, 39200), (1960, 36800), (2000, 36064), (2240, 32200), (2254, 32000), (2300, 31360), (2450, 29440), (2560, 28175), (2576, 28000), (2800, 25760), (2875, 25088), (2944, 24500), (3136, 23000), (3200, 22540), (3220, 22400), (3500, 20608), (3584, 20125), (3680, 19600), (3920, 18400), (4000, 18032), (4025, 17920), (4480, 16100), (4508, 16000), (4600, 15680), (4900, 14720), (5152, 14000), (5600, 12880), (5635, 12800), (5750, 12544), (5888, 12250), (6125, 11776), (6272, 11500), (6400, 11270), (6440, 11200), (7000, 10304), (7360, 9800), (7840, 9200), (8000, 9016), (8050, 8960)]