180320000

素因数分解:

$2^8\times 5^4\times 7^2\times {\mathrm{23}}^1$

素因数の和:73

約数の個数: 270

約数和(自身を含む): 545956488

約数和(自身を除く): 365636488

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, 560, 575, 625, 640, 644, 700, 736, 784, 800, 805, 875, 896, 920, 980, 1000, 1120, 1127, 1150, 1225, 1250, 1280, 1288, 1400, 1472, 1568, 1600, 1610, 1750, 1792, 1840, 1960, 2000, 2240, 2254, 2300, 2450, 2500, 2576, 2800, 2875, 2944, 3136, 3200, 3220, 3500, 3680, 3920, 4000, 4025, 4375, 4480, 4508, 4600, 4900, 5000, 5152, 5600, 5635, 5750, 5888, 6125, 6272, 6400, 6440, 7000, 7360, 7840, 8000, 8050, 8750, 8960, 9016, 9200, 9800, 10000, 10304, 11200, 11270, 11500, 12250, 12544, 12880, 14000, 14375, 14720, 15680, 16000, 16100, 17500, 18032, 18400, 19600, 20000, 20125, 20608, 22400, 22540, 23000, 24500, 25760, 28000, 28175, 28750, 29440, 30625, 31360, 32000, 32200, 35000, 36064, 36800, 39200, 40000, 40250, 41216, 44800, 45080, 46000, 49000, 51520, 56000, 56350, 57500, 61250, 62720, 64400, 70000, 72128, 73600, 78400, 80000, 80500, 90160, 92000, 98000, 100625, 103040, 112000, 112700, 115000, 122500, 128800, 140000, 140875, 144256, 147200, 156800, 160000, 161000, 180320, 184000, 196000, 201250, 206080, 224000, 225400, 230000, 245000, 257600, 280000, 281750, 288512, 313600, 322000, 360640, 368000, 392000, 402500, 450800, 460000, 490000, 515200, 560000, 563500, 644000, 704375, 721280, 736000, 784000, 805000, 901600, 920000, 980000, 1030400, 1120000, 1127000, 1288000, 1408750, 1442560, 1568000, 1610000, 1803200, 1840000, 1960000, 2254000, 2576000, 2817500, 3220000, 3606400, 3680000, 3920000, 4508000, 5152000, 5635000, 6440000, 7212800, 7840000, 9016000, 11270000, 12880000, 18032000, 22540000, 25760000, 36064000, 45080000, 90160000, 180320000]

約数ペア:

[(1, 180320000), (2, 90160000), (4, 45080000), (5, 36064000), (7, 25760000), (8, 22540000), (10, 18032000), (14, 12880000), (16, 11270000), (20, 9016000), (23, 7840000), (25, 7212800), (28, 6440000), (32, 5635000), (35, 5152000), (40, 4508000), (46, 3920000), (49, 3680000), (50, 3606400), (56, 3220000), (64, 2817500), (70, 2576000), (80, 2254000), (92, 1960000), (98, 1840000), (100, 1803200), (112, 1610000), (115, 1568000), (125, 1442560), (128, 1408750), (140, 1288000), (160, 1127000), (161, 1120000), (175, 1030400), (184, 980000), (196, 920000), (200, 901600), (224, 805000), (230, 784000), (245, 736000), (250, 721280), (256, 704375), (280, 644000), (320, 563500), (322, 560000), (350, 515200), (368, 490000), (392, 460000), (400, 450800), (448, 402500), (460, 392000), (490, 368000), (500, 360640), (560, 322000), (575, 313600), (625, 288512), (640, 281750), (644, 280000), (700, 257600), (736, 245000), (784, 230000), (800, 225400), (805, 224000), (875, 206080), (896, 201250), (920, 196000), (980, 184000), (1000, 180320), (1120, 161000), (1127, 160000), (1150, 156800), (1225, 147200), (1250, 144256), (1280, 140875), (1288, 140000), (1400, 128800), (1472, 122500), (1568, 115000), (1600, 112700), (1610, 112000), (1750, 103040), (1792, 100625), (1840, 98000), (1960, 92000), (2000, 90160), (2240, 80500), (2254, 80000), (2300, 78400), (2450, 73600), (2500, 72128), (2576, 70000), (2800, 64400), (2875, 62720), (2944, 61250), (3136, 57500), (3200, 56350), (3220, 56000), (3500, 51520), (3680, 49000), (3920, 46000), (4000, 45080), (4025, 44800), (4375, 41216), (4480, 40250), (4508, 40000), (4600, 39200), (4900, 36800), (5000, 36064), (5152, 35000), (5600, 32200), (5635, 32000), (5750, 31360), (5888, 30625), (6125, 29440), (6272, 28750), (6400, 28175), (6440, 28000), (7000, 25760), (7360, 24500), (7840, 23000), (8000, 22540), (8050, 22400), (8750, 20608), (8960, 20125), (9016, 20000), (9200, 19600), (9800, 18400), (10000, 18032), (10304, 17500), (11200, 16100), (11270, 16000), (11500, 15680), (12250, 14720), (12544, 14375), (12880, 14000)]