318431680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{142157}}^1$

素因数の和:142181

約数の個数: 56

約数和(自身を含む): 866595168

約数和(自身を除く): 548163488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 142157, 284314, 568628, 710785, 995099, 1137256, 1421570, 1990198, 2274512, 2843140, 3980396, 4549024, 4975495, 5686280, 7960792, 9098048, 9950990, 11372560, 15921584, 19901980, 22745120, 31843168, 39803960, 45490240, 63686336, 79607920, 159215840, 318431680]

約数ペア:

[(1, 318431680), (2, 159215840), (4, 79607920), (5, 63686336), (7, 45490240), (8, 39803960), (10, 31843168), (14, 22745120), (16, 19901980), (20, 15921584), (28, 11372560), (32, 9950990), (35, 9098048), (40, 7960792), (56, 5686280), (64, 4975495), (70, 4549024), (80, 3980396), (112, 2843140), (140, 2274512), (160, 1990198), (224, 1421570), (280, 1137256), (320, 995099), (448, 710785), (560, 568628), (1120, 284314), (2240, 142157)]