156779840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{69991}}^1$

素因数の和:70015

約数の個数: 56

約数和(自身を含む): 426671232

約数和(自身を除く): 269891392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 69991, 139982, 279964, 349955, 489937, 559928, 699910, 979874, 1119856, 1399820, 1959748, 2239712, 2449685, 2799640, 3919496, 4479424, 4899370, 5599280, 7838992, 9798740, 11198560, 15677984, 19597480, 22397120, 31355968, 39194960, 78389920, 156779840]

約数ペア:

[(1, 156779840), (2, 78389920), (4, 39194960), (5, 31355968), (7, 22397120), (8, 19597480), (10, 15677984), (14, 11198560), (16, 9798740), (20, 7838992), (28, 5599280), (32, 4899370), (35, 4479424), (40, 3919496), (56, 2799640), (64, 2449685), (70, 2239712), (80, 1959748), (112, 1399820), (140, 1119856), (160, 979874), (224, 699910), (280, 559928), (320, 489937), (448, 349955), (560, 279964), (1120, 139982), (2240, 69991)]