2961280000

素因数分解:

$2^{10}\times 5^4\times 7^1\times {\mathrm{661}}^1$

素因数の和:708

約数の個数: 220

約数和(自身を含む): 8466752272

約数和(自身を除く): 5505472272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 128, 140, 160, 175, 200, 224, 250, 256, 280, 320, 350, 400, 448, 500, 512, 560, 625, 640, 661, 700, 800, 875, 896, 1000, 1024, 1120, 1250, 1280, 1322, 1400, 1600, 1750, 1792, 2000, 2240, 2500, 2560, 2644, 2800, 3200, 3305, 3500, 3584, 4000, 4375, 4480, 4627, 5000, 5120, 5288, 5600, 6400, 6610, 7000, 7168, 8000, 8750, 8960, 9254, 10000, 10576, 11200, 12800, 13220, 14000, 16000, 16525, 17500, 17920, 18508, 20000, 21152, 22400, 23135, 25600, 26440, 28000, 32000, 33050, 35000, 35840, 37016, 40000, 42304, 44800, 46270, 52880, 56000, 64000, 66100, 70000, 74032, 80000, 82625, 84608, 89600, 92540, 105760, 112000, 115675, 128000, 132200, 140000, 148064, 160000, 165250, 169216, 179200, 185080, 211520, 224000, 231350, 264400, 280000, 296128, 320000, 330500, 338432, 370160, 413125, 423040, 448000, 462700, 528800, 560000, 578375, 592256, 640000, 661000, 676864, 740320, 826250, 846080, 896000, 925400, 1057600, 1120000, 1156750, 1184512, 1322000, 1480640, 1652500, 1692160, 1850800, 2115200, 2240000, 2313500, 2369024, 2644000, 2891875, 2961280, 3305000, 3384320, 3701600, 4230400, 4480000, 4627000, 4738048, 5288000, 5783750, 5922560, 6610000, 7403200, 8460800, 9254000, 10576000, 11567500, 11845120, 13220000, 14806400, 16921600, 18508000, 21152000, 23135000, 23690240, 26440000, 29612800, 37016000, 42304000, 46270000, 52880000, 59225600, 74032000, 84608000, 92540000, 105760000, 118451200, 148064000, 185080000, 211520000, 296128000, 370160000, 423040000, 592256000, 740320000, 1480640000, 2961280000]

約数ペア:

[(1, 2961280000), (2, 1480640000), (4, 740320000), (5, 592256000), (7, 423040000), (8, 370160000), (10, 296128000), (14, 211520000), (16, 185080000), (20, 148064000), (25, 118451200), (28, 105760000), (32, 92540000), (35, 84608000), (40, 74032000), (50, 59225600), (56, 52880000), (64, 46270000), (70, 42304000), (80, 37016000), (100, 29612800), (112, 26440000), (125, 23690240), (128, 23135000), (140, 21152000), (160, 18508000), (175, 16921600), (200, 14806400), (224, 13220000), (250, 11845120), (256, 11567500), (280, 10576000), (320, 9254000), (350, 8460800), (400, 7403200), (448, 6610000), (500, 5922560), (512, 5783750), (560, 5288000), (625, 4738048), (640, 4627000), (661, 4480000), (700, 4230400), (800, 3701600), (875, 3384320), (896, 3305000), (1000, 2961280), (1024, 2891875), (1120, 2644000), (1250, 2369024), (1280, 2313500), (1322, 2240000), (1400, 2115200), (1600, 1850800), (1750, 1692160), (1792, 1652500), (2000, 1480640), (2240, 1322000), (2500, 1184512), (2560, 1156750), (2644, 1120000), (2800, 1057600), (3200, 925400), (3305, 896000), (3500, 846080), (3584, 826250), (4000, 740320), (4375, 676864), (4480, 661000), (4627, 640000), (5000, 592256), (5120, 578375), (5288, 560000), (5600, 528800), (6400, 462700), (6610, 448000), (7000, 423040), (7168, 413125), (8000, 370160), (8750, 338432), (8960, 330500), (9254, 320000), (10000, 296128), (10576, 280000), (11200, 264400), (12800, 231350), (13220, 224000), (14000, 211520), (16000, 185080), (16525, 179200), (17500, 169216), (17920, 165250), (18508, 160000), (20000, 148064), (21152, 140000), (22400, 132200), (23135, 128000), (25600, 115675), (26440, 112000), (28000, 105760), (32000, 92540), (33050, 89600), (35000, 84608), (35840, 82625), (37016, 80000), (40000, 74032), (42304, 70000), (44800, 66100), (46270, 64000), (52880, 56000)]