157060480

素因数分解:

$2^7\times 5^1\times {\mathrm{245407}}^1$

素因数の和:245426

約数の個数: 32

約数和(自身を含む): 375474240

約数和(自身を除く): 218413760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 245407, 490814, 981628, 1227035, 1963256, 2454070, 3926512, 4908140, 7853024, 9816280, 15706048, 19632560, 31412096, 39265120, 78530240, 157060480]

約数ペア:

[(1, 157060480), (2, 78530240), (4, 39265120), (5, 31412096), (8, 19632560), (10, 15706048), (16, 9816280), (20, 7853024), (32, 4908140), (40, 3926512), (64, 2454070), (80, 1963256), (128, 1227035), (160, 981628), (320, 490814), (640, 245407)]