128238420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2137307}}^1$

素因数の和:2137319

約数の個数: 24

約数和(自身を含む): 359067744

約数和(自身を除く): 230829324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2137307, 4274614, 6411921, 8549228, 10686535, 12823842, 21373070, 25647684, 32059605, 42746140, 64119210, 128238420]

約数ペア:

[(1, 128238420), (2, 64119210), (3, 42746140), (4, 32059605), (5, 25647684), (6, 21373070), (10, 12823842), (12, 10686535), (15, 8549228), (20, 6411921), (30, 4274614), (60, 2137307)]