128327920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{229157}}^1$

素因数の和:229177

約数の個数: 40

約数和(自身を含む): 340987104

約数和(自身を除く): 212659184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 229157, 458314, 916628, 1145785, 1604099, 1833256, 2291570, 3208198, 3666512, 4583140, 6416396, 8020495, 9166280, 12832792, 16040990, 18332560, 25665584, 32081980, 64163960, 128327920]

約数ペア:

[(1, 128327920), (2, 64163960), (4, 32081980), (5, 25665584), (7, 18332560), (8, 16040990), (10, 12832792), (14, 9166280), (16, 8020495), (20, 6416396), (28, 4583140), (35, 3666512), (40, 3208198), (56, 2291570), (70, 1833256), (80, 1604099), (112, 1145785), (140, 916628), (280, 458314), (560, 229157)]