315608960

素因数分解:

$2^7\times 5^1\times {\mathrm{493139}}^1$

素因数の和:493158

約数の個数: 32

約数和(自身を含む): 754504200

約数和(自身を除く): 438895240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 493139, 986278, 1972556, 2465695, 3945112, 4931390, 7890224, 9862780, 15780448, 19725560, 31560896, 39451120, 63121792, 78902240, 157804480, 315608960]

約数ペア:

[(1, 315608960), (2, 157804480), (4, 78902240), (5, 63121792), (8, 39451120), (10, 31560896), (16, 19725560), (20, 15780448), (32, 9862780), (40, 7890224), (64, 4931390), (80, 3945112), (128, 2465695), (160, 1972556), (320, 986278), (640, 493139)]