30475760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{54421}}^1$

素因数の和:54441

約数の個数: 40

約数和(自身を含む): 80979936

約数和(自身を除く): 50504176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 54421, 108842, 217684, 272105, 380947, 435368, 544210, 761894, 870736, 1088420, 1523788, 1904735, 2176840, 3047576, 3809470, 4353680, 6095152, 7618940, 15237880, 30475760]

約数ペア:

[(1, 30475760), (2, 15237880), (4, 7618940), (5, 6095152), (7, 4353680), (8, 3809470), (10, 3047576), (14, 2176840), (16, 1904735), (20, 1523788), (28, 1088420), (35, 870736), (40, 761894), (56, 544210), (70, 435368), (80, 380947), (112, 272105), (140, 217684), (280, 108842), (560, 54421)]