156915920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{280207}}^1$

素因数の和:280227

約数の個数: 40

約数和(自身を含む): 416949504

約数和(自身を除く): 260033584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 280207, 560414, 1120828, 1401035, 1961449, 2241656, 2802070, 3922898, 4483312, 5604140, 7845796, 9807245, 11208280, 15691592, 19614490, 22416560, 31383184, 39228980, 78457960, 156915920]

約数ペア:

[(1, 156915920), (2, 78457960), (4, 39228980), (5, 31383184), (7, 22416560), (8, 19614490), (10, 15691592), (14, 11208280), (16, 9807245), (20, 7845796), (28, 5604140), (35, 4483312), (40, 3922898), (56, 2802070), (70, 2241656), (80, 1961449), (112, 1401035), (140, 1120828), (280, 560414), (560, 280207)]