255143840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1451}}^1$

素因数の和:1630

約数の個数: 96

約数和(自身を含む): 693753984

約数和(自身を除く): 438610144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 157, 160, 224, 280, 314, 560, 628, 785, 1099, 1120, 1256, 1451, 1570, 2198, 2512, 2902, 3140, 4396, 5024, 5495, 5804, 6280, 7255, 8792, 10157, 10990, 11608, 12560, 14510, 17584, 20314, 21980, 23216, 25120, 29020, 35168, 40628, 43960, 46432, 50785, 58040, 81256, 87920, 101570, 116080, 162512, 175840, 203140, 227807, 232160, 325024, 406280, 455614, 812560, 911228, 1139035, 1594649, 1625120, 1822456, 2278070, 3189298, 3644912, 4556140, 6378596, 7289824, 7973245, 9112280, 12757192, 15946490, 18224560, 25514384, 31892980, 36449120, 51028768, 63785960, 127571920, 255143840]

約数ペア:

[(1, 255143840), (2, 127571920), (4, 63785960), (5, 51028768), (7, 36449120), (8, 31892980), (10, 25514384), (14, 18224560), (16, 15946490), (20, 12757192), (28, 9112280), (32, 7973245), (35, 7289824), (40, 6378596), (56, 4556140), (70, 3644912), (80, 3189298), (112, 2278070), (140, 1822456), (157, 1625120), (160, 1594649), (224, 1139035), (280, 911228), (314, 812560), (560, 455614), (628, 406280), (785, 325024), (1099, 232160), (1120, 227807), (1256, 203140), (1451, 175840), (1570, 162512), (2198, 116080), (2512, 101570), (2902, 87920), (3140, 81256), (4396, 58040), (5024, 50785), (5495, 46432), (5804, 43960), (6280, 40628), (7255, 35168), (8792, 29020), (10157, 25120), (10990, 23216), (11608, 21980), (12560, 20314), (14510, 17584)]