1291475808

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{640613}}^1$

素因数の和:640636

約数の個数: 72

約数和(自身を含む): 4197302928

約数和(自身を除く): 2905827120

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 640613, 1281226, 1921839, 2562452, 3843678, 4484291, 5124904, 5765517, 7687356, 8968582, 10249808, 11531034, 13452873, 15374712, 17937164, 20499616, 23062068, 26905746, 30749424, 35874328, 40358619, 46124136, 53811492, 61498848, 71748656, 80717238, 92248272, 107622984, 143497312, 161434476, 184496544, 215245968, 322868952, 430491936, 645737904, 1291475808]

約数ペア:

[(1, 1291475808), (2, 645737904), (3, 430491936), (4, 322868952), (6, 215245968), (7, 184496544), (8, 161434476), (9, 143497312), (12, 107622984), (14, 92248272), (16, 80717238), (18, 71748656), (21, 61498848), (24, 53811492), (28, 46124136), (32, 40358619), (36, 35874328), (42, 30749424), (48, 26905746), (56, 23062068), (63, 20499616), (72, 17937164), (84, 15374712), (96, 13452873), (112, 11531034), (126, 10249808), (144, 8968582), (168, 7687356), (224, 5765517), (252, 5124904), (288, 4484291), (336, 3843678), (504, 2562452), (672, 1921839), (1008, 1281226), (2016, 640613)]