30316720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1259}}^1$

素因数の和:1322

約数の個数: 80

約数和(自身を含む): 82494720

約数和(自身を除く): 52178000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1259, 1505, 1720, 2408, 2518, 3010, 3440, 4816, 5036, 6020, 6295, 8813, 10072, 12040, 12590, 17626, 20144, 24080, 25180, 35252, 44065, 50360, 54137, 70504, 88130, 100720, 108274, 141008, 176260, 216548, 270685, 352520, 378959, 433096, 541370, 705040, 757918, 866192, 1082740, 1515836, 1894795, 2165480, 3031672, 3789590, 4330960, 6063344, 7579180, 15158360, 30316720]

約数ペア:

[(1, 30316720), (2, 15158360), (4, 7579180), (5, 6063344), (7, 4330960), (8, 3789590), (10, 3031672), (14, 2165480), (16, 1894795), (20, 1515836), (28, 1082740), (35, 866192), (40, 757918), (43, 705040), (56, 541370), (70, 433096), (80, 378959), (86, 352520), (112, 270685), (140, 216548), (172, 176260), (215, 141008), (280, 108274), (301, 100720), (344, 88130), (430, 70504), (560, 54137), (602, 50360), (688, 44065), (860, 35252), (1204, 25180), (1259, 24080), (1505, 20144), (1720, 17626), (2408, 12590), (2518, 12040), (3010, 10072), (3440, 8813), (4816, 6295), (5036, 6020)]