155207920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{277157}}^1$

素因数の和:277177

約数の個数: 40

約数和(自身を含む): 412411104

約数和(自身を除く): 257203184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 277157, 554314, 1108628, 1385785, 1940099, 2217256, 2771570, 3880198, 4434512, 5543140, 7760396, 9700495, 11086280, 15520792, 19400990, 22172560, 31041584, 38801980, 77603960, 155207920]

約数ペア:

[(1, 155207920), (2, 77603960), (4, 38801980), (5, 31041584), (7, 22172560), (8, 19400990), (10, 15520792), (14, 11086280), (16, 9700495), (20, 7760396), (28, 5543140), (35, 4434512), (40, 3880198), (56, 2771570), (70, 2217256), (80, 1940099), (112, 1385785), (140, 1108628), (280, 554314), (560, 277157)]