90007020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{673}}^1\times {\mathrm{743}}^1$

素因数の和:1431

約数の個数: 72

約数和(自身を含む): 273794976

約数和(自身を除く): 183787956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 673, 743, 1346, 1486, 2019, 2229, 2692, 2972, 3365, 3715, 4038, 4458, 6057, 6687, 6730, 7430, 8076, 8916, 10095, 11145, 12114, 13374, 13460, 14860, 20190, 22290, 24228, 26748, 30285, 33435, 40380, 44580, 60570, 66870, 121140, 133740, 500039, 1000078, 1500117, 2000156, 2500195, 3000234, 4500351, 5000390, 6000468, 7500585, 9000702, 10000780, 15001170, 18001404, 22501755, 30002340, 45003510, 90007020]

約数ペア:

[(1, 90007020), (2, 45003510), (3, 30002340), (4, 22501755), (5, 18001404), (6, 15001170), (9, 10000780), (10, 9000702), (12, 7500585), (15, 6000468), (18, 5000390), (20, 4500351), (30, 3000234), (36, 2500195), (45, 2000156), (60, 1500117), (90, 1000078), (180, 500039), (673, 133740), (743, 121140), (1346, 66870), (1486, 60570), (2019, 44580), (2229, 40380), (2692, 33435), (2972, 30285), (3365, 26748), (3715, 24228), (4038, 22290), (4458, 20190), (6057, 14860), (6687, 13460), (6730, 13374), (7430, 12114), (8076, 11145), (8916, 10095)]