67905880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{242521}}^1$

素因数の和:242539

約数の個数: 32

約数和(自身を含む): 174615840

約数和(自身を除く): 106709960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 242521, 485042, 970084, 1212605, 1697647, 1940168, 2425210, 3395294, 4850420, 6790588, 8488235, 9700840, 13581176, 16976470, 33952940, 67905880]

約数ペア:

[(1, 67905880), (2, 33952940), (4, 16976470), (5, 13581176), (7, 9700840), (8, 8488235), (10, 6790588), (14, 4850420), (20, 3395294), (28, 2425210), (35, 1940168), (40, 1697647), (56, 1212605), (70, 970084), (140, 485042), (280, 242521)]